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Chemistry

Chemistry
0.01 mole of NaOH is added to 10 liters of water. The pH of water changes by

7
4
6
3

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Chemistry
A thick paste of cement, sand and water is called

Concrete
Mortar
Kiln
R.C.C.

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Chemistry
In its reaction with silver nitrate, C2H2 shows

Basic property
Reducing property
Oxidising property
Acidic property

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Chemistry
What are the major pollutants of cigarette smoke?

Carbon monoxide and nicotine
Dioxin and benzene
Carbon monoxide and benzene
Carbon monoxide and dioxin

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Chemistry
Which of the following alloy is used in making magnet ?

Stainless steel
Magnalium
Duralumin
Alnico

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Chemistry
Yellow Cake' an item of smuggling across border is

A crude from of heroin
Unreformed gold
Uranium oxide
A crude from of cocaine

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