Chemistry
Which one of the following vegetable oils is used in the manufacture of paints?

Linseed oil
Sunflower oil
Palm oil
Cottonseed oil

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Chemistry
The BOD values of water indicate the

Amount of oxygen used for biochemical oxidation
Amount of oxygen used for biochemical reduction
Amount of ozone used for biochemical oxidation
Amount of organic debris

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Chemistry
Water is not effective in extinguishing a fire caused by petrol because

The flame is too hot for water to cool it down
Water and petrol are immiscible with each other and petrol which forms the upper layer continues to burn
Water and petrol are miscible with each other
Water and petrol react chemically

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