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Updated on October 1, 2023

DATA MINING TUTORIAL

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NUMBER SYSTEM

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POLITICS

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JAVASCRIPT INTERVIEW QUESTIONS

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KMN04 can be used as a an
1). insecticide
2). fertiliser
3). pesticide
4). disinfectant

Polythene is polymer of
1). Ethylene
2). Propylene
3). Acetylene
4). Aniline

The chemical name of ratpoison is H
1). zinc oxide
2). potassium cyanide
3). lead nitrate
4). zinc phosphide

Which of the following elements is non radioactive ?
1). Uranium
2). Thorium
3). Plutonium
4). Zirconium

German silver is an alloy of
1). copper nickel and silver
2). silver copper and aluminium
3). zinc copper and nickel
4). zinc silver and copper

Silver halides are used in photographic plates because they are
1). oxidised in air
2). soluble in hyposolution
3). reduced by light
4). totally colourless

The gas which is mainly responsible for the greenhouse effect is:
1). Ozone
2). Oxygen
3). Carbon dioxide
4). Carbon monoxide

When cone H2S04 is added to dry KNO3 brown fumes are evolved. These fumes are due to
1). S03
2). S02
3). N02
4). N2O

Bleaching action of moist sulphur dioxide is because of its
1). basic property
2). acidic property
3). oxidising property
4). reducing property

The process of covering water pipes made of Iron with Zinc layer to prevent corrosion is called :
1). Zinc plating
2). Alloy formation
3). Vulcanization
4). Galvanization

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