States of Matter Gases and Liquids

Helium atom is two times heavier than a hydrogen molecule, the average kinetic energy

Helium atom is two times heavier than a hydrogen molecule, At 298 K, the average kinetic energy of the helium…

If 1 litre of N₂ is mixed with 2 litre of O₂, quantity explaining it is

If 1 litre of N₂ is mixed with 2 litre of O₂, quantity explaining it is Options (a) Kinetic energy…

If 300 mL of a gas at 27⁰ C is cooled to 7⁰C at constant pressure, its final volume

If 300 mL of a gas at 27⁰ C is cooled to 7⁰C at constant pressure, its final volume will…

Metallic crystalline solids have

Metallic crystalline solids have Options (a) low melting and boiling point (b) are bad conductors (c) are good conductors of…

In the gas equation ,PV = nRT

In the gas equation ,PV = nRT Options (a) V is the volume of one mole of the gas (b)…

Pressure is measured by

Pressure is measured by Options (a) barometer (b) anemometer (c) hygrometer (d) voltameter Correct Answer: barometerExplanation:Barometer is an instrument used…

Equal volumes of two monatomic gases,A and B at same temperature and pressure

Equal volumes of two monatomic gases,A and B at same temperature and pressure are mixed.The ratio of specific heats (C(p)/C(v))…

In pressure cooker food is made faster because

In pressure cooker food is made faster because Options (a) boiling point of water is lowered (b) boiling point of…

Two different gases enclosed in different flasks A and B at same temperature and pressure

Two different gases enclosed in different flasks A and B at same temperature and pressure were found to contain same…

PV/T= Constant. A real gas will behave as ideal gas

PV/T= Constant. A real gas will behave as ideal gas Options (a) when both pressure and temperature are high (b)…