Currently Viewing:
✕ Exit
Chemistry
Q1.
Which of the following pairs will give displacement reactions?
Q2.
Dalton's atomic theory successfully explained\ni. Law of conservation of mass.\nii. Law of constant composition.\niii. Law of radioactivity.\niv. Law of multiple proportion.
Q3.
Which of the following are exothermic processes?\ni. Evaporation of water.\nii. Dilution of an acid (H2SO4).\niii. Reaction of water with quick lime.\niv. Sublimation of camphor (crystals).
Q4.
Which of the following corundum and cryolite are important ores?
Q5.
Which of the following is the first artificially prepared element?
Q6.
Which one of the following is an example of melamine used for making floor tiles?
Q7.
Which of the following are the constituents of a soda acid fire extinguisher?