Select the most appropriate synonym of the given

What is the colour of the outer zone of complete combustion of candle flame?

Atomic number =

What is the primary advantage of superconductors?

Naphthalene balls, commonly used as a pest repellent, are derived from which source?

On a clean glass plate, a drop of water spreads to form a thin layer whereas a drop of mercury remains almost spherical because:

Compressed natural gas (CNG) primarily consists of which gas?

When chlorination of dry slaked lime takes place, _________ will form as the main product.

Flemings right hand rule is used to find the direction of the –

Which of the following is arranged in order of decreasing conductivity?

The SI unit of mechanical energy is