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Chemistry

Chemistry
Which of the following is not a nucleon?

Positron
Neutron
Electron
Proton

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Chemistry
The ore which is found in abundance in India is

fluorspar
bauxite
magnetite
monazite

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Chemistry
Magnalium is an alloy of

Manganese and Magnesium
Aluminium and Magnesium
Aluminium and Zinc
Magnesium and Tin

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Chemistry
Atomic number is the number equal to

Electrons
Neutrons
Protons
None of these

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Chemistry
For generation of biogas, the materials commonly used are

Crop residues
Aquatic plants
Animal wastes
Forest residues

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

S
P
Ag
Na

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