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Chemistry

Chemistry
The oil used in the froth floatation process is

olive oil
coconut oil
pine oil
kerosene oil

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Chemistry
PH value between 6.5-7.5 makes the soil

Basic
Acidic
Neutral
None of these

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Chemistry
Periodic table contains how many periods

7
10
6
8

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Chemistry
The source of energy that causes the least global warming is

Petroleum
Natural Gas
Geothermal energy
Coal

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Chemistry
Among the fuels given below, the one with highest calorific value is

Natural gas
Coal
Coke
Wood

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Chemistry
Particulates (< 1 µm size) remaining suspended in air indefinitely and transported by wind currents are called

Smoke
Fumes
Aerosols
Mists

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