Question : Water is not suitable as a calorimetric substance because it:

Option 1: has high specific heat

Option 2: is a good conductor

Option 3: has high boiling water

Option 4: low latent heat of vapourisation

Question : When a piece of stone is immersed in water, it displaces water of equal

Option 1: density

Option 2: specific gravity

Option 3: mass

Option 4: volume

Question : Water cannot be used to extinguish fire caused by electric current, because:

Option 1: it may cause electrocution

Option 2: it may cause hydrolysis

Option 3: it may cause electrolysis

Option 4: it may spoil the wiring

Question : A pressure cooker reduces cooking time because:

Option 1: the heat is more evenly distributed

Option 2: the boiling point of the water inside is elevated

Option 3: it absorbs more heat from its flame

Option 4: the higher pressure tenderises the food

Question : Directions: In a certain code language, if sky is known as earth, earth is known as water, water is known as air, air is known as light, and light is known as sound, then what is it that humans breathe in?

Option 1: Air

Option 2: Earth

Option 3: Light

Option 4: Water