Multiple Choice Questions

The heat capacity of a substance depends on which of the following?

Which statement defines heat?

In what ratio should ammonium chlroide and calcium hydroxide be mixed for the laboratory preparation of ammonia gas?

Which compounds are formed when carbon dioxide gas is passed through lime water for some time?

Which of the following statements is true?

What products are formed on heating of limestone to a high temperature using coal?

Which one of the following conclusions is correct while observing a freely falling object every second?

The mass of a planet B is twice the mass of planet A but its radius is half of the radius of planet A. Similarly, the mass of planet C is half of the mass of planet A, but its radius is twice the radius of planet A. If the weight of an object in planets A, B, and C is W1, W2, and W3, respectively, which of the following order is correct? 

What will be the weight of a man on the moon if his weight on the Earth is 750 N? (The acceleration due to the gravity of the moon = 1.63  $\rm ms^{-2}$)

If the mass and the radius of a celestial body are two times the mass and the radius of the earth respectively, what is the value of acceleration due to the gravity of that body?