Matter in our surroundings

A strong chemical substance which is used on objects and surfaces in our surroundings to kill germs:

We should not allow mosquitoes to bread in our surroundings because they

Why should we add more plants to our surroundings?

A system is……………..if it cannot exchange matter and energy with the surroundings.

Assertion : The presence of reactants in a closed vessel made of conducting material is an example of a closed system. Reason : In a closed system, there is no exchange of matter but exchange of energy is possible between the system and the surroundings.

Amnion surrounds

The system in which there is no exchange of matter, work, or energy from the surroundings is

System and surroundings together constitute

The capacity to blend with surroundings is called

A system transfers 20 kJ of heat to the surroundings. Write the value of q for both the system and surroundings.