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Chemistry

Chemistry
The example of oligosaccharide is

Glucose
Sucrose
Cellulose
Ribose

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Chemistry
Which of the following is a method/process of disposing of solid waste which cannot be reused or recycled ?

Landfills
All listed here
Incineration
Pyrolysis and Gasification

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

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

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Chemistry
Helium gas is filled in ballons because

It is one of the constitutents of water
Its atomic number is 2
It is a noble gas
It is lighter than air

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Chemistry
The metal that is usually extracted from sea water is

Ca
Na
Mg
K

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Chemistry
Sulphur dioxide present in the industrial chimney exhaust causes

Reduction in plant's productivity owing to acid rain
All of these
Respiratory and lung disease
Corrosion building materials

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MORE MCQ ON Chemistry

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