What is the ‘Lower Fixed Point’ of the Fahrenheit scale?

Give two examples to verify that a force changes the shape of a body.

The radius of curvature of a spherical mirror is 20 cm. Find its focal length.

Write the constituent elements and their symbols for the following compounds
a) Carbon monoxide
b) Washing soda

Mention the various conditions required for a chemical reaction to occur

Name the bacteria used in the production of vinegar.

Define Thallus.

Mention the function of ‘Alveoli’?

What are the effects of heat?

What is electric circuit?

Mention the physical properties of oxygen.

Write the properties of anode rays.

What is cranium?

What is secondary sex characteristics?

What is Tux Paint?