Chemical A is used for water softening to remove temporary hardness. A reacts with sodium carbonate to generate caustic soda. when..
The hydride ion H- is a stroger base than its hydroxide ion OH- . Which of the following reactions will occur if sodium hydride (N..
Hydrogen can be fused to form helium at
Which of the following reaction produces hydrogen
On reaction with Mg, very dilute nitric acid produces
Which of the following gas is insoluble in water
Action of water or dilute mineral acid on metals can give
Which of the following statement about hydrogen is incorrect
Hydrogen from HCL can be prepared by
When some amount of zinc is treated separately with excess of sulphuric acid and axcess of sodium hydroxide solution the ratio of ..
Which element forms maximum compound in chemistry
Which one of the following substances is used in the laboratory for fast drying of neutral gases
Which is used as hydrogen generators
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