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Chemistry

Chemistry
The temperature of oxy-acetylene flame is around

4000°C
3200°C
3600°C
2800°C

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Chemistry
Nitrogen in water is commonly found in the form of

Nitric oxide
Nitrous oxide
Nitrate
Nitrite

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Chemistry
Taj Mahal is greatly affected due to :

Tourists
Deforestation
Acid rain
Sound pollution

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Chemistry
The main active constituent of tea and coffee is

chlorophyll
aspirin
caffeine
nicotine

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Chemistry
Which of the following is not a commercial source of energy?

Firewood
Petroleum
Natural Gas
Coal

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Chemistry
Percentage of carbon in steel ranges from

3.0 to 4.0
0.1 to 1.5
4.0 to 6.0
1.5 to 3.0

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MORE MCQ ON Chemistry

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