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Question:- The octane number of zero is assigned to A. 2-methyl octane B. n-heptane C. iso-octane D. 3-methyl octane
Answer:- Option B
Question:- The most abundant rare gas in the atmosphere is A. He B. Ne C. Ar D. Xe
Answer:- Option C
Question:- The Latin word formica means ant. The name formic acid is derived from this Latin word because A. this acid, in ancient times, was used to eliminate ant-hills B. this corrosive acid is secreted by ants to drive away their enemies C. this acid was first obtained by the distillation of ants D. ants are attracted by the odour of this acid
Answer:- Option C
Question:- The ore which is found in abundance in India is A. monazite B. fluorspar C. bauxite D. magnetite
Answer:- Option A
Question:- The ore which is found in abundance in India is A. monazite B. fluorspar C. bauxite D. magnetite
Answer:- Option A
Question:- The heat energy produced when the human body metabolises 1 gram of fat is A. 30 KJ B. 1 KJ C. 39 KJ D. 29 KJ
Answer:- Option C
Question:- What are the number of moles of CO2 which contains 16 g of oxygen? A. 0.5 mole B. 0.2 mole C. 0.4 mole D. 0.25 mole
Answer:- Option A
Question:- The main use of salt in the diet is to A. make the taste of food better B. produce in small amounts the hydrochloric acid required for the digestion of food C. ease the process of cooking D. increase the solubility of food particles in water
Answer:- Option B
Question:- The monomer of polythene is A. vinyl chloride B. ethylene C. ethyl alcohol D. None of the above
Answer:- Option B
Question:- The luster of a metal is due to A. its high density B. its high polishing C. its chemical inertness D. presence of free electrons
Answer:- Option D
Question:- The most malleable metal is A. platinum B. silver C. iron D. gold
Answer:- Option D
Question:- The oil used in the froth floatation process is A. coconut oil B. olive oil C. kerosene oil D. pine oil
Answer:- Option D
Question:- The mass of one Avogadro number of helium atom is A. 1.00 gram B. 4.00 gram C. 8.00 gram D. 4 x 6.02 x 1023 gram
Answer:- Option B
Question:- The items amenable to detection by soft x-rays are A. contrabands B. lead in bullets C. narcotics D. genuine coins from counterfeit coins
Answer:- Option D