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Chemistry

Chemistry
The sewage obtained from water closets and urinals is known as

Sullage
Garbage
Industrial waste
Sanitary waste

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Chemistry
Which one of the following statement is correct ?Ozone is found in the earth's atmosphere mostly between

20 and 50 km
5 and 10 km
10 and 20 km
50 and 100 km

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

Duralumin
Magnalium
Alnico
Stainless steel

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Chemistry
Brine refers to :

Starch water
Salt water
Pure water
Sweet water

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Chemistry
The lowest layer of earth's atmosphere is

Troposphere
Mesosphere
Ionosphere
Stratosphere

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Chemistry
Galvanization of iron is carried out using

Chromium
Copper
Tin
Zinc

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MORE MCQ ON Chemistry

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