Which mineral is formed by decomposition of rocks, leaving a residual mass of weathered material ? -SST 10th

Which mineral is formed by decomposition of rocks, leaving a residual mass of weathered material ? -SST 10th
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Bauxite is a mineral which is formed by decomposition of rocks, leaving a residual mass of weathered material.
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Which one of the following minerals is formed by decomposition of rocks, leaving a residual mass of weathered materials ? -SST 10th

Description : Which one of the following minerals is formed by decomposition of rocks, leaving a residual mass of weathered materials ? -SST 10th

Last Answer : B - Bauxite is formed after the decomposition of surface rocks. The soluble constituent within rocks evaporates and what is left behind as residue is the ore of Bauxite from which then Aluminium is extracted.

What is composed of weathered rocks and decomposed organic material from dead plants and animals?

Description : What is composed of weathered rocks and decomposed organic material from dead plants and animals?

Last Answer : Need answer

Why are some rocks more easily weathered than others rocks?

Description : Why are some rocks more easily weathered than others rocks?

Last Answer : What is the answer ?

What happens when rocks are weathered?

Description : What happens when rocks are weathered?

Last Answer : When sedimentary rocks are weathered and eroded, they turn intosediments.And after compaction and cementation of the sediments, it willturn back into sedimentary rock.

Granite, quartzite areas have upstanding look because – (1) mechanically weathered faster (2) these rocks are resistant to all kinds of erosion (3) these rocks are not easily eroded (4) not easily worn down

Description : Granite, quartzite areas have upstanding look because – (1) mechanically weathered faster (2) these rocks are resistant to all kinds of erosion (3) these rocks are not easily eroded (4) not easily worn down

Last Answer : (4) not easily worn down Explanation: Granite is high in quartz, a mineral very resistant to weathering. Similarly, quartzite is harder than steel. So, they are not easily worn down and ... and vice versa. So quartzite, though hard and chemically inert, can be fractured by physical weathering.

Black cotton soils are a) Heavy clay soils varying from clay to Loam, with clay content of 40 to 50% formed by decomposition of rocks by long continued weathering* b) Compacted and laminated clays c) Soils containing carbon of coal underneath d) Dark brown earthy materials formed due to partial or complete decomposition of vegetable matter

Description : Black cotton soils are a) Heavy clay soils varying from clay to Loam, with clay content of 40 to 50% formed by decomposition of rocks by long continued weathering* b) Compacted and ... underneath d) Dark brown earthy materials formed due to partial or complete decomposition of vegetable matter

Last Answer : a) Heavy clay soils varying from clay to Loam, with clay content of 40 to 50% formed by decomposition of rocks by long continued weathering*

What process by which weathered material are carried away?

Description : What process by which weathered material are carried away?

Last Answer : Need answer

The minerals which formed, deposited or introduced as result of subsequent changes in rocks are known as — a. Essential mineral b. Primary mineral c. Secondary mineral d. Accessory mineral

Description : The minerals which formed, deposited or introduced as result of subsequent changes in rocks are known as — a. Essential mineral b. Primary mineral c. Secondary mineral d. Accessory mineral

Last Answer : c. Secondary mineral d. Accessory mineral

(4) Decomposition of manganese dioxide Explanation: One of the two chemical methods starts from natural manganese dioxide and converts it using dinitrogen tetroxide and water to manganese nitrate solution. Evaporation of the water leaves the crystalline nitrate salt. At temperatures of 400°C, the salt decomposes, releasing N2O4 and leaving a residue of purified manganese dioxide.

Description : (4) Decomposition of manganese dioxide Explanation: One of the two chemical methods starts from natural manganese dioxide and converts it using dinitrogen tetroxide and water to manganese nitrate ... 400°C, the salt decomposes, releasing N2O4 and leaving a residue of purified manganese dioxide.

Last Answer : The mass number of a nucleus is - (1) always less than its atomic number (2) the sum of the number of protons and neutrons present in the nucleus (3) always more than the atomic weight (4) a fraction

If we completely remove the decomposers from an ecosystem, its functioning will be adversely affected, because (a) mineral movement will be blocked (b) the rate of decomposition will be very high (c) energy flow will be blocked (d) herbivores will not receive solar energy.

Description : If we completely remove the decomposers from an ecosystem, its functioning will be adversely affected, because (a) mineral movement will be blocked (b) the rate of decomposition will be very high (c) energy flow will be blocked (d) herbivores will not receive solar energy.

Last Answer : (a) mineral movement will be blocked

Mineral oils (e.g. petroleum oils) are preferred over fatty oils (e.g. mustard oil, ghee, tallow, palm oil, olive oil etc.) as a lubricant due to its (A) Poor oxidation stability and high gum forming tendency (B) Greater tendency of decomposition at elevated temperature (C) Hydrolysis tendency in presence of water (D) All (A), (B) and (C)

Description : Mineral oils (e.g. petroleum oils) are preferred over fatty oils (e.g. mustard oil, ghee, tallow, palm oil, olive oil etc.) as a lubricant due to its (A) Poor oxidation stability and high gum forming ... at elevated temperature (C) Hydrolysis tendency in presence of water (D) All (A), (B) and (C)

Last Answer : (D) All (A), (B) and (C)

Chlorite, a green colour mineral is mainly derived from the decomposition of (A) Augite (B) Biotite (C) Hornblende (D) All of these

Description : Chlorite, a green colour mineral is mainly derived from the decomposition of (A) Augite (B) Biotite (C) Hornblende (D) All of these

Last Answer : Answer: Option A

How do you achieve a weathered look when painting wood?

Description : How do you achieve a weathered look when painting wood?

Last Answer : There are several things you can do. What look, specifically, are you hoping to achieve? An antique? Rustic? Beat up? Or just faded?

Weathered the storm?

Description : Weathered the storm?

Last Answer : Speaking only for myself, pretty well. Close to the downtown, we didn't lose electricity and yesterday was a beautiful calm day with lots of people out on the streets. Of course, the people in the ... still dealing with downed trees and no electricity. And that might go on for some days they say.

Are all of you who weathered Gustav doing ok?

Description : Are all of you who weathered Gustav doing ok?

Last Answer : Great to hear all is well with you and yours. My sis and the kids also bunkered down and rode it out at home. They are on the gulf coast of Mississippi. All is well there too.

What weathered the last depression?

Description : What weathered the last depression?

Last Answer : My daughter asked my mother this. She told her that the people who got through just fine were the ones who owned their land free and clear and who knew how to work the land to grow their own food. My ... has more than 1/2 equity in her house (at least she did last month) so she should be ok.

What Erosion is the removal and transportation of weathered and non weathered materials by?

Description : What Erosion is the removal and transportation of weathered and non weathered materials by?

Last Answer : What is the answer ?

How would a weathering mountain appear different from an weathered mountain?

Description : How would a weathering mountain appear different from an weathered mountain?

Last Answer : What is the answer ?

Shingle is (A) Decomposed laterite (B) Crushed granite (C) Water bound pebbles (D) Air weathered rock

Description : Shingle is (A) Decomposed laterite (B) Crushed granite (C) Water bound pebbles (D) Air weathered rock

Last Answer : Answer: Option A

Cement pressure grouting is suitable for a) Very fine crack b) weathered concrete c) Active crack where cause of crack is known and remedial action has been taken* d) Crushed masonry

Description : Cement pressure grouting is suitable for a) Very fine crack b) weathered concrete c) Active crack where cause of crack is known and remedial action has been taken* d) Crushed masonry

Last Answer : c) Active crack where cause of crack is known and remedial action has been taken

What Igneous rocks are classified based upon their mineral compositions and?

Description : What Igneous rocks are classified based upon their mineral compositions and?

Last Answer : Need answer

All example of a mineral occurring as layers in sedimentary rocks is (a) lignite (b) gold (c) lead (d) tin

Description : All example of a mineral occurring as layers in sedimentary rocks is (a) lignite (b) gold (c) lead (d) tin

Last Answer : Ans: (a)

The Himalayan region is poor in mineral resources because (a) it is made up of crystalline rocks (b) displacement of rock strata has disturbed the arrangement of rocks and made it complex (c) the climatic conditions are not suitable for exploitation of minerals (d) the terrain makes exploitation of minerals difficult and very costly due to transport difficulties

Description : The Himalayan region is poor in mineral resources because (a) it is made up of crystalline rocks (b) displacement of rock strata has disturbed the arrangement of rocks and made it ... minerals (d) the terrain makes exploitation of minerals difficult and very costly due to transport difficulties

Last Answer : Ans: (b)

The Himalayan region is poor in mineral resources because: [IAS 2004] (a) it is made of crystalline rocks (b) the displacement of rock strata has disturbed the arrangement of rock and made it complex (c) the climatic conditions are not suitable for exploitation of minerals (d) the terrain makes exploitation of minerals difficult and very costly due to transport difficulties

Description : The Himalayan region is poor in mineral resources because: [IAS 2004] (a) it is made of crystalline rocks (b) the displacement of rock strata has disturbed the arrangement of rock and ... minerals (d) the terrain makes exploitation of minerals difficult and very costly due to transport difficulties

Last Answer : Ans: (b)

Why is it that the Himalayan region is poor in mineral resources? (a) Displacement of rock strata has disturbed the arrangement of rocks and made it complex (b) It is made up of crystalline rock (c) the terrain makes exploitation of minerals difficult (d) The climatic conditions are not suitable, for exploitation of minerals

Description : Why is it that the Himalayan region is poor in mineral resources? (a) Displacement of rock strata has disturbed the arrangement of rocks and made it complex (b) It is made up of ... makes exploitation of minerals difficult (d) The climatic conditions are not suitable, for exploitation of minerals

Last Answer : Ans: (a)

Residual soils are formed by (A) Glaciers (B) Wind (C) Water (D) None of the above

Description : Residual soils are formed by (A) Glaciers (B) Wind (C) Water (D) None of the above

Last Answer : Answer: Option D

Why is it that the maximum value which the residual stress can reach is the elastic limit of the material ?

Description : Why is it that the maximum value which the residual stress can reach is the elastic limit of the material ?

Last Answer : A stress in excess of elastic limit, with no external force to oppose it, will relieve itself by plastic deformation until it reaches the value of the yield stress.

Why is it that the maximum value which the residual stress can reach is the elastic limit of the material ?

Description : Why is it that the maximum value which the residual stress can reach is the elastic limit of the material ?

Last Answer : A stress in excess of elastic limit, with no external force to oppose it, will relieve itself by plastic deformation until it reaches the value of the yield stress.

Pick out the wrong statement. (A) Cold cracking of a weld is due to the presence of hydrogen gas in the weld (B) True stress is given by, σ = σE (1 + εE), where σE and εE are engineering stress and engineering strain respectively (C) Phosphorous can be easily recovered in the iron blast furnace (D) High residual stress at the surface is beneficial for fatigue properties of a material

Description : Pick out the wrong statement. (A) Cold cracking of a weld is due to the presence of hydrogen gas in the weld (B) True stress is given by, σ = σE (1 + εE), where σE and εE ... in the iron blast furnace (D) High residual stress at the surface is beneficial for fatigue properties of a material

Last Answer : Option C

Why Is It That The Maximum Value Which The Residual Stress Can Reach Is The Elastic Limit Of The Material?

Description : Why Is It That The Maximum Value Which The Residual Stress Can Reach Is The Elastic Limit Of The Material?

Last Answer : A stress more than the elastic limit, with no external force to oppose it, we relieve itself by plastic deformation until it reaches the value of the yield stress.

How many moles of H2 and N2 can be formed by the decomposition of 0.145 moles of ammonia, NH3?

Description : How many moles of H2 and N2 can be formed by the decomposition of 0.145 moles of ammonia, NH3?

Last Answer : All together now… WE WILL NOT DO YOUR HOMEWORK

In very first stage of decomposition of the organic matter in sewage A. Nitrites are formed B. Nitrates are formed C. Carbondioxide is formed D. Ammonia is formed

Description : In very first stage of decomposition of the organic matter in sewage A. Nitrites are formed B. Nitrates are formed C. Carbondioxide is formed D. Ammonia is formed

Last Answer : ANS: D

Pick out the wrong statement. (A) Conversion of SO2 to SO3 in Monsanto-4 pass converter is about 98% (B) The chemical formula of oleum is H2S2O7 , which is formed by saturating sulphuric acid with sulphur trioxide (C) Vitriol oil is nothing but technical sulphuric acid (D) Decomposition of sulphuric acid on heating does not start before its boiling

Description : Pick out the wrong statement. (A) Conversion of SO2 to SO3 in Monsanto-4 pass converter is about 98% (B) The chemical formula of oleum is H2S2O7 , which is formed by saturating ... but technical sulphuric acid (D) Decomposition of sulphuric acid on heating does not start before its boiling

Last Answer : (D) Decomposition of sulphuric acid on heating does not start before its boiling

Calcium carbonate decomposes into calcium oxide & carbon dioxide Her results:Mass of calcium carbonate before heating = 2.00 g Mass of calcium oxide left after heating = 1.12 g work out the mass of carbon dioxide released during the decomposition?

Description : Calcium carbonate decomposes into calcium oxide & carbon dioxide Her results:Mass of calcium carbonate before heating = 2.00 g Mass of calcium oxide left after heating = 1.12 g work out the mass of carbon dioxide released during the decomposition?

Last Answer : I am not sure of the answer so can someone help me pls

Pick up the correct statement from the following: A. Indore method of composting involves decomposition under aerobic conditions B. Bangalore method of composting involves decomposing under anaerobic conditions C. Fully stabilised refuse by the Bangalore method of compositing is a powdery mass called humus D. all of these

Description : Pick up the correct statement from the following: A. Indore method of composting involves decomposition under aerobic conditions B. Bangalore method of composting involves decomposing under anaerobic conditions C ... the Bangalore method of compositing is a powdery mass called humus D. all of these

Last Answer : ANS: D

Bacterial decomposition of biological material under anaerobic condition is – (1) fermentation (2) fertilization (3) contamination (4) composting

Description : Bacterial decomposition of biological material under anaerobic condition is – (1) fermentation (2) fertilization (3) contamination (4) composting

Last Answer : (1) fermentation Explanation: Fermentation is the process by which complex organic compounds, such as glucose, are broken down by the action of enzymes into simpler com-pounds in the absence ... carbon dioxide by fermentation. Fermentation is used to produce wine, beer, yogurt and other products.

Bacterial decomposition of biological material under anaerobic condition is (1) fermentation (2) fertilization (3) contamination (4) composting

Description : Bacterial decomposition of biological material under anaerobic condition is (1) fermentation (2) fertilization (3) contamination (4) composting

Last Answer : fermentation

How are minerals formed in sedimentary rocks? -SST 10th

Description : How are minerals formed in sedimentary rocks? -SST 10th

Last Answer : . In sedimentary rocks, a number of minerals occur in beds or layers. . They have been formed as a result of deposition, accumulation and concentration in horizontal strata. . Coal and some ... potash salt and sodium salt. These are formed as a result of evaporation especially in arid regions.

Answer the following questions in about 30 words: How are minerals formed in igneous and metamorphic rocks ? -SST 10th

Description : Answer the following questions in about 30 words: How are minerals formed in igneous and metamorphic rocks ? -SST 10th

Last Answer : Minerals could be found in cracks and crevices within igneous and metamorphic rocks. Minerals are initially in liquid/molten or gaseous form. They rise through the crack towards the earth's surface and they solidify as they move upwards.

What is the fossil formed when an organism is buried in sediment dissolves leaving a hollow area?

Description : What is the fossil formed when an organism is buried in sediment dissolves leaving a hollow area?

Last Answer : What is the answer ?

If you doubl the mass of an object while leaving the net force unchanged what is the result on the acceleration?

Description : If you doubl the mass of an object while leaving the net force unchanged what is the result on the acceleration?

Last Answer : What is the answer ?

What states that the net change in the total energy of the system during a process is equal to the difference between the total energy entering and the total energy leaving the system during that process?  A. Third law of thermodynamics  B. Conservation of energy principle  C. Second law of thermodynamics  D. Conservation of mass principle

Description : What states that the net change in the total energy of the system during a process is equal to the difference between the total energy entering and the total energy leaving the system during ... Conservation of energy principle  C. Second law of thermodynamics  D. Conservation of mass principle

Last Answer : Conservation of energy principle

In case of steam distillation, the steam leaving the liquid is not completely saturated with distillate vapour, because(A) Temperature is less(B) Total pressure is less(C) Mixing of steam with the material being vaporised is not so intimate asto result in equilibrium condition(D) Saturated steam is used for steam distillation

Description : In case of steam distillation, the steam leaving the liquid is not completely saturated with distillate vapour, because (A) Temperature is less (B) Total pressure is less (C) Mixing of steam ... not so intimate as to result in equilibrium condition (D) Saturated steam is used for steam distillation

Last Answer : (C) Mixing of steam with the material being vaporised is not so intimate as to result in equilibrium condition

1. Name the Indian soil which is formed due to the weathering of basic igneous rocks. 2. Name two states of India where this type of soil is found. -Geography

Description : 1. Name the Indian soil which is formed due to the weathering of basic igneous rocks. 2. Name two states of India where this type of soil is found. -Geography

Last Answer : 1. Black soil 2. Maharashtra and Gujarat

What are metamorphic rocks? Describe the types of metamorphic rock and how are they formed? -Geography

Description : What are metamorphic rocks? Describe the types of metamorphic rock and how are they formed? -Geography

Last Answer : The word metamorphic means ‘change of form’. These rocks form under the action of pressure, volume and temperature (PVT) changes. Metamorphism takes place when rocks are forced down to ... , granite, syenite, slate, schist, marble, quartzite etc. are some examples of metamorphic rocks.

How are minerals formed in igneous and metamorphic rocks? -Geography

Description : How are minerals formed in igneous and metamorphic rocks? -Geography

Last Answer : In igneous and metamorphic rocks, minerals may occur in the cracks, crevices, faults or joints. The smaller occurrences are called veins and the larger are called lodes. In most cases, they are ... Major metallic minerals like tin, copper, zinc and lead etc. are obtained from veins and lodes.

Sedimentary rocks are formed from sediments. -Geography

Description : Sedimentary rocks are formed from sediments. -Geography

Last Answer : Sedimentary rocks are formed from sediments because of the following reasons: Igneous rocks and metamorphic rocks, decompose, disintegrate and wear down due to weathering. This material is ... are solidified into layers due to pressure from overlying sediments they are called sedimentary rocks.

Which Rocks are formed by the solidification of lava on the earth’s surface? -Do You Know?

Description : Which Rocks are formed by the solidification of lava on the earth’s surface? -Do You Know?

Last Answer : Intrusive rocks are formed from magma that cools and solidifies within the crust of the planet. When lava comes out of a volcano and solidifies into extrusive igneous rock, also called volcanic, the rock cools very quickly.

Which is the type of igneous rocks are formed midway between volcanic and plutonic rocks? -Do You Know?

Description : Which is the type of igneous rocks are formed midway between volcanic and plutonic rocks? -Do You Know?

Last Answer : Rhyolite is the extrusive equivalent to the plutonic rock type granite - both form from the same magma. Rhyolite lava flows are very viscous.

How are the igneous rocks are formed? -Do You Know?

Description : How are the igneous rocks are formed? -Do You Know?

Last Answer : Igneous rocks are one of three main types of rocks (along with sedimentary and metamorphic), and they include both intrusive and extrusive rocks. Igneous rocks form when magma (molten rock) cools and ... can have a huge variety of crystal shapes and sizes, including some larger than a human hand.