SSLC (English Medium) Class 6 - Tamil Nadu Board of Secondary Education Question Bank Solutions

One litre of water at 30o C is mixed with one litre of water at 50o C. The temperature of the mixture will be

Heat flows from a ______ body to a _____ body.

The hotness of the object is determined by its ______.

Give reason for the following

The electric wire which sag in summer become straight in winter.

Match the following

Analogy

Heat : Joule :: Temperature : _____

Analogy

Ice cube : 0^o C :: Boiling water :______

What is temperature?

What do you understand by thermal equilibrium?

Distinguish between heat and temperature.

When a window is accidentally left open on a winter night, will you feel uncomfortable because the cold is getting in, or because the heat is escaping from the room?

Suppose your normal body temperature were lower than what it is. How would the sensation of hot and cold change?

______ is the percentage of nitrogen in air.

The constituent of air that supports combustion is _____.

Nitrogen is used in the food packaging industry because it _____.

_______ and ______ are the two gases, which when taken together, make up about 99 percentage of air.

1. Nitrogen
2. carbon-di-oxide
3. Noble gases
4. Oxygen

______ is the active component of air.

______ gas is given to the patients having breathing problems.

_______ can be seen moving in a beam of sunlight in a dark room.

_____ gas turns lime water milky.