Description : What melted rock eventually becomes lava? A. Iron B. Metals C. Magma (Answer) D. Coal
Last Answer : C. Magma (Answer)
Description : Which of the following characteristics is not typical of ionically bonded crystals? (a) Has no sharp melting point (b) Cleave into definite cleavage planes (c) Conducts when melted (d) Shatters when crystal is distorted
Last Answer : Ans:(a)
Description : What type of rocks can melt into lava or magma?
Last Answer : Need answer
Description : How do you Contrast magma and lava?
Last Answer : Lava is magma that has reached the surface and extruded.
Description : Is magma hotter than lava?
Last Answer : Lava is magma that is erupted onto Earth's surface. The temperature is essentially the same, except for the cooling that may occur after eruption.
Description : Which of the following statements is correct? (1) Lava and magma both have gas (2) Neither the lava nor the magma has gas (3) Magma has gas while lava has no gas (4) Lava has gas while magma has no gas
Last Answer : (1) Lava and magma both have gas Explanation: Highly viscous lava tends to entrap gas, which form vesicles (bubbles) within the rock as they rise to the surface. Lava with low viscosity tends to ... by magma (a mixture of liquid rock, crystals, and dissolved gas) expelled onto the Earth's surface.
Description : Molten rock below the surface of the earth is called – (1) Basalt (2) Laccolith (3) Lava (4) Magma
Last Answer : (4) Magma Explanation: Magma is a mixture of molten or semi-molten rock, volatiles and solids that is found beneath the surface of the Earth. When magma erupts from a volcano or other vent, the ... . When lava cools on the Earth's surface and forms a solid structure, it is called igneous rock.
Description : Lava and Magma
Last Answer : Lava - molten rock expelled from a volcano; solidified volcanic rock Magma - molten rock beneath the earth's crust from which igneous rocks are formed (Geology)
Description : Differentiate between the following pairs : a). Lava and Magma b). Ultraviolet and infrared c). Fault and Fold d). Caustic Soda and Caustic Potash e). S.E.M. and T.E.M.
Last Answer : a). Lava and Magma Molten rock, when it is still beneath the earth's surface is Magma, and "lava" after it has erupted. b). Ultraviolet and infrared Ultraviolet : Electromagnetic radiation ... allowing the surface stucture of a specimen to be examined. T.E.M.: Transmission electronic microscope.
Description : When magma reaches the surface of the earth, is called (a) Lava (b) Crater (c) Fissure (d) Clay
Last Answer : (a) Lava
Description : Molten rock beneath the Earth's crust is called: w) magma x) liquicite y) lava z) igneous
Last Answer : ANSWER: W -- MAGMA
Description : Molten rock below the surface of the earth is called (1) Basalt (2) Laccolith (3) Lava (4) Magma
Last Answer : Magma
Description : Which of the following statements is correct ? (1) Lava and magma both have gas (2) Neither the lava nor the magma has gas (3) Magma has gas while lava has no gas (4) Lava has gas while magma has no gas
Last Answer : Lava and magma both have gas
Description : What is smooth glassy rock that forms when lava cools so fast that there is no time for crystals to form?
Last Answer : Obsidian
Description : Which one of the following statements is NOT correct? [IAS 2003] (a) Black cotton soil of north-west India was formed by the weathering of basaltic lava rocks (b) Sedimentary rocks are distinguished ... feldspar and mica in it (d) A metamorphic rock is softer and less compact than its original type
Last Answer : Ans: (d)
Last Answer : It is possible to give remedy according to section 13 of the Specific Remedies Act.
Description : Which of the following will be completely or partially dissolved in `NH_(4)OH` ?
Last Answer : Which of the following will be completely or partially dissolved in `NH_(4)OH` ? A. AgCl B. AgBr C. Agl D. `BaSO_(4)`
Description : What is the last mineral to crystallize from a magma in Bowen’s reaction series (A) olivine (B) quartz (C) pyroxene (D) Biotite
Last Answer : quartz
Description : What is mineral crystals of quartz biotite mica and amphibole are produced primarily by?
Last Answer : Cooling and soildification of magma.
Description : What mineral is made from lava?
Last Answer : Feel Free to Answer
Description : 1 kg of a saturated aqueous solution of a highly soluble component A at 60°C is cooled to 25°C. The solubility limits of A are (0.6 kgA/kg water) at 60°C and (0.2 kgA/kg water) at 25°C. The amount in kg of the crystals formed is: (A) 0.4 (B) 0.25 (C) 0.2 (D) 0.175
Last Answer : (C) 0.2
Description : Kelp is - (1) Sulphide mineral of iron (2) Partially decomposed vegetalion (3) Sea weed rich in iodine content (4) An aluminium silicate mineral
Last Answer : (3) Sea weed rich in iodine content Explanation: Kelps are large seaweeds (algae) belonging to the brown algae in the order Laminariales. Because of its high concentration of iodine, kelp has been used to treat goiter, an enlargement of the thyroid gland caused by a lack of iodine.
Description : ‘Kelp’ is (1) Sulphide mineral of iron (2) Partially decomposed vegetation (3) Sea weed rich in iodine content (4) An aluminium silicate mineral
Last Answer : Sea weed rich in iodine content
Description : What is an opening in earth that erupts gases ashes and lava?
Last Answer : Volcano or volcanic vent
Description : High quality crop soil requires humus as a major component. Which of the following best describes the composition of humus w) fine sand particles x) decaying organic matter y) mineral like clay matter z) chemical fertilizers
Last Answer : ANSWER: X -- DECAYING ORGANIC MATTER
Description : Sides of equilateral-triangular co-ordinates (on which ternary liquid system is plotted) represent (A) A pure component (B) A binary mixture (C) A ternary mixture (D) Partially miscible ternary system
Last Answer : (B) A binary mixture
Description : What is the meaning of mineral salts dissolved in water and water together ?
Last Answer : Answer : Mineral salts dissolved in water and water together are called cytoplasm.
Description : Eutrophication results in reduction of a) Dissolved nitrate b) Dissolved Oxygen c) Mineral salts d) Parasitic protozoa.
Last Answer : b) Dissolved Oxygen
Description : One metal dissolved in another is called w) an alloy x) an assay y) a mineral z) a ceramic
Last Answer : ANSWER: W -- AN ALLOY
Description : Turbidity of water is an indication of the presence of (A) Suspended inorganic matter (B) Dissolved solids (C) Floating solids (D) Dissolved gases
Last Answer : (A) Suspended inorganic matter
Description : Removal of __________ is accomplished by aeration of water. (A) Dissolved gases (B) Suspended solids (C) Dissolved solids (D) None of these
Last Answer : (A) Dissolved gases
Description : The resistance of water to the passage of light through it is a measure of the (A) Turbidity (B) Color (C) Hardness (D) Dissolved gases
Last Answer : (A) Turbidity
Description : What is a solution A. a solid dissolved in a gas B. a solute and a solvent C. a liquid dissolved in a gas D. an amalgam of solids, liquids, and gases?
Last Answer : B. A solute and a solvent
Description : Stabilisation of gasoline (petrol) means (A) Removal of dissolved gases from it (B) Increasing its oxidation stability (C) Improving its lead susceptibility (D) Increasing its vapour pressure
Last Answer : (A) Removal of dissolved gases from it
Description : Clay treatment is used to remove (A) Salt from the crude oil (B) Colour & dissolved gases from cracked gasoline (C) Wax from lube oil (D) None of these
Last Answer : (C) Wax from lube oi
Description : When the gas to be dissolved in liquid is a/an __________ then normally co-current adsorber are used. (A) Mixture of two gases (B) Pure gas (C) Ideal gas (D) Sparingly soluble gas
Last Answer : (B) Pure gas
Description : The phenomenon occuring during pumping of a liquid solution containing dissolved gases, which may come out of the solution giving rise to gas pockets, is termed as (A) Evaporation (B) Cavitation (C) Sublimation (D) Stripping
Last Answer : (B) Cavitation
Description : Which of the following is a mineral? (A) Coal (B) Petroleum (C) Natural gases (D) Diamond
Last Answer : Diamond
Description : Which of the following gases is given off in the acid test of a carbonate mineral? w) chlorine x) nitrogen y) carbon dioxide z) sulfur dioxide
Last Answer : ANSWER: Y -- CARBON DIOXIDE
Description : What is the mineral component of chlorophyll? -General Knowledge
Last Answer : answer:
Last Answer : The main mineral component of soil is organic matter.
Description : Minerals that forms from original component of rock are called as a. Secondary mineral b. Primary mineral c. Essential mineral d. None of these
Last Answer : b. Primary mineral
Description : Nitrogen is an essential component of (A) Mineral salts (B) Carbohydrates (C) Fats (D) Proteins
Last Answer : (D) Proteins
Description : `Br_(2)` dissolved in `CS_(2)` reacts with phenol at 273 K to give ..... as the major product
Last Answer : `Br_(2)` dissolved in `CS_(2)` reacts with phenol at 273 K to give ..... as the major ... . m-Bromophenol C. p-Bromophenol D. 2,4,6-Tribromophenol
Description : The major role of fluorpar (`CaF_2` ) which added in small quantities in the electrolyte reduction of alumina dissolved in fused cryolite `(N_(3)AlF_(
Last Answer : The major role of fluorpar (`CaF_2` ) which added in small quantities in the electrolyte reduction ... the rate of oxidation of carbon at the anode
Description : The major role of flourspar, `CaF_(2)` which is added in small amount in the electrolytic reduction of `Al_(2)O_(3)` dissolved on fused cryolite in fu
Last Answer : The major role of flourspar, `CaF_(2)` which is added in small amount in the electrolytic reduction ... the rate of oxidation of carbon at the anode
Description : (1) a homogeneous mixture of two or more substances Explanation: A homogeneous mixture of two or more substances uniformly dispersed throughout a single phase is called solution. In such a mixture, a ... the solvent including its phase, and the solvent is commonly the major fraction of the mixture.
Last Answer : Choose the incorrect statement pertaining to organic compounds - (1) They have low melting and boiling points (2) They do not dissolve in water (3) They are not easily combustible (4) They contain mainly carbon and hydrogen
Description : Who has made melted water? Is it necessary to boil it before freezing?
Last Answer : I don't think that one should boil the water before it gets freezing. But if you boil it will not harm you. I don't know who made melted water.
Description : Assertion (A) : Methane component of greenhouse gases contributing to global warming is about 20 per cent. Reason (R) : Introduction of multi-point fu
Last Answer : Assertion (A) : Methane component of greenhouse gases contributing to global warming is about 20 per cent ... but reason is wrong D. Both are wrong
Description : The diffusivity, DAB (for component A diffusing in B) is equal to the diffusivity DBA (for component B diffusing in A) for a binary mixture of (A) Newtonian liquids (B) Non-Newtonian liquids (C) Ideal gases (D) Real gases
Last Answer : (C) Ideal gases