GATE Questions

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Bicycle is a compound machine in the above given options. A compound machine is a machine that is formed by two or more simple machines.

The Sun is essentially all colors mixed together, which appear to our eyes as white. The brightest color emitted by the sun is yellow-green.

Metallic bond is a bond between two metal atoms. Here in the given option Hg is the only metal with metallic bond.

Electrostatic precipitator is used to control Air pollution. An electrostatic precipitator is a filtration device that removes fine particles, like dust and smoke, from a flowing gas using the force of an induced electrostatic charge minimally impeding the flow of gases through the unit.

Plants developing in dry conditions are called as xerophytes.

In the thermite process, the reducing agent is Aluminium.