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Question:- The nucleus of a hydrogen atom consists of A. 1 proton only B. 1 proton + 2 neutron C. 1 neutron only D. 1 electron only
Answer:- Option A
Question:- The heat required to raise the temperature of body by 1 K is called A. specific heat B. thermal capacity C. water equivalent D. None of the above
Answer:- Option B
Question:- The nuclear particles which are assumed to hold the nucleons together are A. electrons B. positrons C. neutrons D. mesons
Answer:- Option D
Question:- The mass of P4O10 that will be obtained from the reaction of 1.33 gram of P4 and 5.07 of oxygen is A. 2.05 gram B. 3.05 gram C. 4.05 gram D. 5.05 gram
Answer:- Option B
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 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