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प्रश्न
Name the following
Indicator that turns deep pink when treated with NH4OH.
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उत्तर
Phenolphthalein
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संबंधित प्रश्न
Ammonia gas is passed over heated copper (I) oxide.
Name the following
Salt used to clean metal surface before soldering, tinning, etc.
Give a balanced chemical equation for the following:
Lab. preparation of ammonia using an ammonium salt.
Give a balanced chemical equation for the following:
Reaction of ammonia with sulphuric acid.
Give balanced reactions for the following conversion:
Ammonia to nitrogen using an acidic gas.
Describe all what you will observe and write chemical equation, when limited amount of ammonia gas is passed through the following aqueous solution:
ZnCl2
Describe all what you will observe and write chemical equation, when limited amount of ammonia gas is passed through the following aqueous solution:
FeCl3
Write the equation for:
The preparation of ammonia from ammonium chloride and calcium hydroxide.
On passing ammonia gas over heated copper oxide for some time, a reddish-brown residue is left behind. What property of ammonia is demonstrated here?
