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Chemistry

Chemistry
Solder is an alloy of

Lead, zinc
Tin, lead
Copper, lead
Sodium, lead

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Chemistry
The function of skimming tank in sewage treatment is to remove

Oil and fatty substances
Gritty substances
Inorganic substances
Suspended solids

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Chemistry
The element with highest first ionisation energy is

Lithium
Sodium
Helium
Hydrogen

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Chemistry
Which of the following processes is used for the production of Biodiesel ?

Transesterification
Translation
Transamination
Transcription

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Chemistry
In the electroplating of gold, the electrolyte used is

Gold sulphate
Potassium aurocyanide
Gold nitrate
Gold chloride

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Chemistry
Which one of the following is also known as solution ?

A homogeneous mixture
A heterogeneous mixture
A compound
A suspension

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