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Chemistry

Chemistry
The ore which is found in abundance in India is

monazite
bauxite
fluorspar
magnetite

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Chemistry
Which of the following is used as a preservative to protect processed food?

Sodium metabisulphite
Sodium sulphate
BHT
Saccharin

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Chemistry
Petroleum consists of a mixture of

Carbohydrates
Carbides
Hydrocarbons
Carbonates

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Chemistry
Sulphur dioxide present in the industrial chimney exhaust causes

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

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Chemistry
Gelatin is mostly used in making ice–creams in order to

Enrich the aroma
Stabilise mixture
Stabilise the colloid and prevent crystallisation
Prevent making a colloid

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Chemistry
Which of the following is the correct sequence of countries in terms of maximum carbon dioxide emission?

China, India, European Union, USA
USA, India, China, European Union
European Union, China, USA, India
China, USA, European Union, India

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