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प्रश्न
Name the following
Solution used to remove fat grease.
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उत्तर
Ammonia solution
APPEARS IN
संबंधित प्रश्न
State one relevant observation for given reactions:
Burning of ammonia in air.
Ammonia gas is passed over heated copper (I) oxide.
Name the following
Gas obtained by treating chlorine in excess of ammonia.
Certain blank spaces are left in the following table and these are labelled as A,B,C,Da and E. Identify each of then
|
1 |
HCl gas |
NaCl + H2SO4 |
A = ________ |
Conc.H2SO4 |
B = ___ |
|
2 |
NH3 gas |
C = ____ |
Mg(OH)2NH3 |
D = ______ |
E = ___ |
Give a balanced chemical equation for the following:
Lab. preparation of ammonia using an ammonium salt.
Describe all what you will observe and write chemical equation, when limited amount of ammonia gas is passed through the following aqueous solution:
CrCl3
(a) Name the catalyst used in 1(ii)
(b) In the reaction referred to in 1(ii), the catalyst glows red hot. Why?
(c) What is the name of the industrial process which starts with the reaction reffered to in 1 (ii)?
Give a balanced chemical equation for the following:
Reaction of ammonia with excess of chlorine.
An element has 2 electrons in its N shell. It reacts with a non-metal of atomic number 7. The compound formed reacts with warm water and produces a basic gas. Identify the elements and write a balanced chemical reaction.
