Olympiad Science Class-9 Paper-3
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Test Preparation on Olympiad English Class-9 Test Prep-3
1.
Petroleum is a mixture of-
1
Elements
2
Hydrocarbons
3
Polymers
4
Salts
2.
Which of the following contains high content of lead?
High octane fuel
1
Coal
2
Cooking gas
3
High octane fuel
4
Low octane fuel
3.
Which of the following contains high content of lead?
1
Coal
2
Cooking gas
3
High octane fuel
4
Low octane fuel
4.
Piped Natural Gas (PNG) is used for-
1
Mining
2
Welding
3
Anaesthesia
4
Cooking
5.
Petroleum consists of a mixture of-
1
Carbohydrates
2
Carbonates
3
Hydrocarbons
4
Carbides
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