What is the SI unit of amount of substance?

• Meter

• Mole

• Ampere

• Candela

The force that is due to muscles of a body is....force

• Gravitational

• Frictional

• Magnetic

• Muscular

...........makes our work easier, faster and safer.

• Simple machine

• Complex machine

• Machine

• All of the above

Pascal is the SI unit of........

• Pressure

• Force

• Energy

• Power

Symbol of SI unit of energy is.......

Silicon is a ........

• Metal

• Non-metal

• Both

• None

Another name of phenol is....

Which symbol is it in circuit diagram?

• Bulb

• Ammeter

• Source

• Switch

Hygrometer is used to measure........

• Density of air

• Amount of rainfall

• Direction of wind

• Pressure of air

Basalt is which type of rock?

• Sedimentary

• Metamorphic

• Plutonic

• Volcanic