Which of the following is used for closing a tab on a

A concave lens always forms an image which is –

Which of the following is Vitamin-E?

The SI unit of surface tension is:

When acid is added to the indicator- methyl orange, what is the color observed?

If a metal can be drawn into wires relatively easily it is called:

Speed of light will be maximum in which of the following mediums? 

Tendons and Ligaments are

If no external force acts on a system of bodies, the total linear momentum of the system of bodies remains constant. Which law states this?

A myopic person has a power of 1.25 dioptre, what is the local length and nature of his lens? 

What is the name of the reaction in which acid reacts with base to form salt and water?