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Chemistry

Chemistry
Submarines move under water. They have engines that run on

Batteries
Steam
Diesel
Petrol and oxygen

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Chemistry
Aquaregia is a mixture of the following in the ratio 1 : 3 by volume

Conc. HCl and conc. HNO3
Conc. HNO3 and conc. H2SO4
Conc. HNO3 and conc. HCl
Dil. HCl and dil. HNO3

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Chemistry
Atoms having the same number of protons but different number of neutrons are called :

Isotopes
Higgs-boson
Anions
Cations

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Chemistry
Which one is the most reactive gaseous element

Flourine
Iodine
Bromine
Chlorine

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Chemistry
The gas dissolved in water that makes it basic is :

Hydrogen
Ammonia
Carbon dioxide
Sulphur dioxide

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Chemistry
Silver nitrate solution is kept in brown bottles in laboratory because

Brown bottles do not react with it
Brown bottles stops the passage of light through it
Brown bottles react with it
It reacts with ordinary white bottles

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MORE MCQ ON Chemistry

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