Chemistry MCQS with Answers Set 1

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Chemistry MCQS with Answers for NTS


Natural fertilizer provides potassium in the form of K2 O (potash)
1.5 kg
4.5 kg
6.5 kg
3 kg

Saturated solution of NaCI on heating becomes
Remains saturated
Super saturated
Unsaturated
None

A solution of sodium sulphate was electrolysed using some inert electrodes.The products at the electrodes are
O2, H2

The carbon atoms in calcium carbide are held by
2 covalent one co-ordinate bond
Ionic bonds
2 sigma bonds
2 ? and one ? bond

Red lead is
PbO
Pb3O4

Covalent compounds are soluble in
Non-polar solvents
Concentrated acids
Polar solvents
All solvents

The spectrum of helium is expected to be similar to that of
He+
H
Li+
Na

Which of the following units represents largest amount of energy?
Calorie
Electron vol.
Joule
Erg

Which of the following is a colligative property?
Sublimation temperature
Freezing point
Melting point
Osmotic pressure

The credit of discovering neutron goes to
Chadwick
Austen
Rutherford
Langmuir

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