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Chemistry

Chemistry
The anode in a dry cell consists of

Copper
Zinc
Cadmium
Graphite

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Chemistry
A fertile soil is likely to have a pH of

9
3
43989
14

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Chemistry
The items amenable to detection by soft x-rays are

lead in bullets
narcotics
genuine coins from counterfeit coins
contrabands

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Chemistry
In which of the following substances all carbon atoms are quaternary in nature ?

Graphite
Teflon
Napthalene
Diamond

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Chemistry
The substance most commonly used as a food preservative is

Sodium salt of benzoic acid
Tartaric acid
Sodium carbonate
Acetic acid

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Chemistry
Which one of the following elements is used in the manufacture of fertilizers ?

Lead
Fluorine
Aluminium
Potassium

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MORE MCQ ON Chemistry

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