Description : Monazite sample contains 9% `ThO""_(2)` and 0.35% `U""_(3)O""_(8).Pb""^(208)` and `Pb""^(206)` are the stable and products in the radioactive decay se
Last Answer : Monazite sample contains 9% `ThO""_(2)` and 0.35% `U""_(3)O""_(8).Pb""^(208)` and `Pb ... C. It is a fertile material D. It belongs to 4n series
Description : Which State of India has the largest reserves of monazite, with a high thorium content? [CPO SI 2002] (a) Kerala (b) Karnataka (c) Gujarat (d) Maharashtra
Last Answer : Ans: (a)
Description : Which State of India has the largest reserves of monazite, with a high thorium content? (1) Kerala (2) Karnataka (3) Gujarat (4) Maharashtra
Last Answer : (1) Kerala Explanation: Monazite is a reddish-brown phosphate mineral containing rare earth metals. It occurs usually in small isolated crystals. Monazite is an important ore for thorium, lanthanum, and ... , which hold 70 per cent-plus of India's estimated monazite reserve of 18 million tonnes.
Description : Indian monazite sand contains __________ percent thorium. (A) 10 (B) 25 (C) 60 (D) 90
Last Answer : (A) 10
Description : The most extensive; commercially use- ful source of thorium as monazite sand occurs in India at?
Last Answer : Travancore coast
Description : Main source of __________ is monazite sand. (A) Uranium (B) Polonium (C) Hafnium (D) Thorium
Last Answer : (D) Thorium
Description : The beach sands of Kerala are rich in – (1) Calcium (2) Radium (3) Thorium (4) Manganese
Last Answer : (3) Thorium Explanation: The beach sand in Kerala contains one of the rich deposits of thorium in the world. Thorium, also known as the 'strategic nuclear fuel of India,' is a radioactive ... . The beach sands of Kerala in Palghat and guilon district contain the world's richest monazite deposits.
Description : Which State of India has the largest reserves of monazite, with a high thorium content? -Do You Know?
Last Answer : answer:
Description : 'Monazite' is an ore of - (1) Sodium (2) Titaniurm (3) Thorium (4) Zirconium
Last Answer : (3) Thorium Explanation: Monazite is an important ore for thorium, lanthanum, and cerium. It is often found in placer deposits. India, Madagascar, and South Africa have large deposits of monazite sands.
Description : Which one of the following pairs is NOT correctly matched? (1) Haematite : Copper (2) Bauxite : Aluminium (3) Monazite : Thorium (4) Pitchblende : Uranium
Last Answer : (1) Haematite : Copper Explanation: Haematite is the mineral form of iron oxide (Fe2O3), one of several iron oxides. It is mined as the main ore of iron. Hematite is harder than pure iron, but much more brittle.
Description : Which one of the following minerals is found in Monazite sand? (1) Potassium (2) Uranium (3) Thorium (4) Sodium
Last Answer : (3) Thorium Explanation: Monazite is a reddish-brown phosphate mineral containing rare earth metals. It occurs usually in small isolated crystals. There are actually at least four different kinds of monazite, depending on relative ... 5.0 to 5.5 and is relatively dense, about 4.6 to 5.7 g/ cm3.
Description : Which State of India has the largest reserves of monazite, with a high thorium content?
Last Answer : Kerala
Description : The main ore of thorium is (A) Pitchblende (B) Monazite sand (C) Limonite (D) Galena
Last Answer : (B) Monazite sand
Last Answer : Haematite : Copper
Description : Which one of the following minerals is found in Monazite sand ? (1) Potassium (2) Uranium (3) Thorium (4) Sodium
Last Answer : Thorium
Description : The monazite sands on the Kerala coasts, used for generating nuclear energy contain – (1) platinum (2) copper (3) uranium (4) bauxite
Last Answer : (3) uranium Explanation: Monazite sands contain uranium.
Description : Which mineral is found in monazite sand? -General Knowledge
Description : Which of the following caused radioactive pollution along the coast of Kerala? (1) Plutonium (2) Zinc (3) Thorium (4) Radium
Last Answer : (3) Thorium Explanation: Thorium-rich monazite sand deposits on the Kerala coast have been responsible for natural radioactive contamination. It has been pronounced on the south-west coastal line of ... been found to have elevated levels of background radioactivity due to high abundance of thorium.
Description : Which of the following caused radioactive pollution along the coast of Kerala ? (1) Plutonium (2) Zinc (3) Thorium (4) Radium
Description : Transportation of 35% oleum during winter suffers from the problem of freezing, which can be overcome by the addition of small quantity of (A) Nitric acid (B) Hydrochloric acid (C) Methyl alcohol (D) Formic acid
Last Answer : (A) Nitric acid
Description : Vulcanized rubber contains sulphur – (1) 2% (2) 3-5% (3) 7-9% (4) I 0- 5%
Last Answer : (2) 3-5% Explanation: A vulcanized flexible tyre rubber contains about 3 -5% of sulphur whereas hard rubber (ebonite) contains about 32% of sulphur. The stiffness of vulcanized rubber depends on the amount of sulphur added.
Description : A system has internal energy equal to `U_(1), 450J` of heat is taken out of it and `600J` of work is done on it. The final enegry of the system will b
Last Answer : A system has internal energy equal to `U_(1), 450J` of heat is taken out of it and `600J` of work is done ... 1050)` C. `(E_(1)-150)` D. None of these
Description : (A) Nuclear isomers have same atomic number and same mass number but with different radioactive properties. `U_((A))` and `U_((Z))` are nuclear isomer
Last Answer : (A) Nuclear isomers have same atomic number and same mass number but with different radioactive properties. `U_ ... both (A) and (R ) are incorrect.
Description : (A) The activity of 1 g pure uranium-235 will be greater than the same amount present in `U_(3) O_(6)` (R ) In the combined state, the activity of the
Last Answer : (A) The activity of 1 g pure uranium-235 will be greater than the same amount present in `U_(3) O_(6)` ... . D. If both (A) and (R ) are incorrect.
Description : Apple is a rich source of mineral: a. Carbohydrates b. Proteins c. Vita-A d. Iron
Last Answer : Iron
Description : Coal containing large quantity of __________ are difficult to wash. (A) Ash (B) Inherent mineral matter (C) Free impurities (D) Volatile matter
Last Answer : (B) Inherent mineral matter
Description : Human blood contains _____________ percentage of plasma. (a) 35% (b) 40% (c) 50% (d) 65%
Last Answer : Ans:(d)
Description : otton seed contains oil upto a] 10-12% b] 15-20% c] 30-35% d] 24-28%
Last Answer : b] 15-20%
Description : The slag which floats on the surface of the molten iron generally contains (A) Lime (CaO) 45% (B) Silica (SiO2) 35% (C) Alumina (Al2O3) 12% and MgO, CaSO4, KMnO2 and FeO 8% (D) All the above
Last Answer : Answer: Option D
Description : The slag which floats on the surface of the molten iron generally contains (A) Lime (CaO) 45% (B) Silica (SiO2) 35% (C) Alumina (Al2O3) 12% and MgO, CaSO4, KMnO2 and FeO 8% (D) All these
Description : D.A.P. contains the N percentage— (A) 9% (B) 18% (C) 27% (D) 36%
Last Answer : (C) 27%
Description : Vulcanized rubber contains sulphur (1) 2% (2) 3-5% (3) 7-9% (4) 10-15%
Last Answer : 3-5%
Description : What data does a sample of pure water irrespective of its source contains 11.1 hydrogen and 88.9 oxygen support?
Last Answer : It might have supported Proust's law or the law of definitecomposition, or law of constant composition. But unfortunately thedata used are not accurate. The correct proportions, based onrelative atomic masses of hydrogen and oxygen being 1.008 and15.999 give the results as 11.2% and 88.8%.
Description : A sample of pure carbon dioxide, irrespective of its source contains 27.27% carbon and 72.73% oxygen. The data supports [AIIMS 1992] (A) Law of constant composition (B) Law of conservation of mass (C) Law of reciprocal proportions (D) Law of multiple proportions
Last Answer : (A) Law of constant composition
Description : Which of the following ores contains maximum percentage of uranium? (A) Carnotite (B) Thorium (C) Rescolite (D) Pitchblende
Last Answer : (D) Pitchblende
Description : A person invested Rs. 18,000 in buying Rs. 150 shares of a company which are available at a premium of Rs. 50. If the company pays a 9% dividend, then
Last Answer : A person invested Rs. 18,000 in buying Rs. 150 shares of a company which are available at a ... also the annual income he earned from the investment.
Description : Uranium percentage in monazite sand is about (A) 0.01 (B) 0.25 (C) 1.2 (D) 7
Last Answer : (B) 0.25
Description : Where are uranium and thorium available in India? What are they used for? -SST 10th
Last Answer : Uranium and thorium are available in Jharkhand and the Aravali ranges of Rajasthan. They are used for generating atomic or nuclear power.
Description : Nuclear energy is a mineralbased energy source. It is derived from (1) uranium (2) thorium (3) plutonium (4) All of the above
Last Answer : uranium
Description : Nikhil and Neha went to a remote village in Kerala to meet their grandmother. They were surprised to see a biogas plant in Mr. Nair's house in the neighbourhood. There were plenty of livestocks ... given by Nikhil and Neha to the sarpanch to convince him to set up community biogas plant. -Science
Last Answer : (a) Mr Nair: Higher degree of general awareness, helping nature. Nikhil and Neha: Knowledge sharing. helping nature. concern for community advantage. (b) Possible arguments given by Nikhil ... . Basically they discuss and explain the advantages of community bio gas plant for the'entire village.
Description : The soil of Kerala is rich in which of the following soils? (1) Alluvial Soil (2) Laterite Soil (3) Sandy Soil (4) Loamy Soil
Last Answer : (2) Laterite Soil Explanation: Laterite soil covers the majority of area in Kerala. They cover about 65 per cent of the total area of the State, occupying a major portion of the ... Kerala. Heavy rainfall and high temperature prevalent in the State are conductive to the process of laterisation.
Description : Which state is rich in jute? (1) West Bengal (2) Tamil Nadu (3) Kerala (4) Orissa
Last Answer : (1) West Bengal Explanation: Jute is one of the most important natural fibers after cotton in terms of cultivation and usage. Cultivation is dependent on the climate, season, and soil. Almost 85% of ... through-out the state except the hilly region of the north and the plateau area of the west.
Description : The State in India which produces the largest quantity of common salt is (a) Rajasthan (b) Kerala (c) Maharashtra (d) Gujarat
Last Answer : Ans: (d)
Description : Which one of the following Indian States/Union Territories accounts for the largest quantity of shrimp production per annum, among all the states of India ? (A) West Bengal (B) Andaman and Nicobar Islands (C) Orissa (D) Kerala (E) None of these
Last Answer : (B) Andaman and Nicobar Islands
Description : Wet sieving is employed, when the product contains __________ materials. (A) Abrasive (B) Large quantity of very fine (C) Coarse (D) Non-sticky
Last Answer : (B) Large quantity of very fine
Description : he soil which is found in the areas having heavy rainfall and high humidity, contains large quantity of organic matter and heavy and black in colour – a. Black soil b. Peat soil c. Forest soil d. Laterite soil
Last Answer : b. Peat soil
Description : A liquid/gaseous fuel containing hydrocarbons and high amount of sulphur is burnt with 40% excess air. The flue gas still contains large amount of carbon monoxide. This may be due to the (A) Presence of large ... fuel (C) High sulphur content in the fuel (D) Lack of thorough mixing of fuel with air
Last Answer : (D) Lack of thorough mixing of fuel with air
Description : Low temperature oxidation and spontaneous combustion of freshly mined coal is accentuated, if (A) It contains large amount of volatile matter (B) It is stored in tall heaps (C) Smaller fines are stored in large quantity (D) All (A), (B) and (C)
Last Answer : (D) All (A), (B) and (C)
Description : The factor to be considered for the source of city water supply, is (A) Quantity and quality of the available water (B) Elevation of the source of water (C) General terrain intervening the area (D) All the above
Last Answer : (D) All the above
Description : Type of PCM which is designed to take advantage of the sample-to-sample redundancies in the typical speech waveform
Last Answer : Differential PCM