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Chemistry

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

Wood
Coal
Coke
Natural gas

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Chemistry
Milk is a colloidal system in which:

Fat and water are dispersed in each other
Water is dispersed in fat
Fat is dissolved
Fat is dispersed in water

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Chemistry
The Fungus which is used in the alcohol industry is

Mushroom
Rhizopus
Candida Aibicans
Yeast

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Chemistry
Permanent – hardness of water may be removed by addition of

Sodium carbonate
Lime
Potassium Permangante
Alum

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Chemistry
Which of the following will replace hydrogen from acids to form salts ?

Na
Ag
P
S

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Chemistry
Nucleons are regarded as composites sub-particles known as

Leptons
Photons
Mesons
Quarks

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