Chemistry
Select the correct answer from A, B, C and D.
(i) Aqua regia is a mixture of :
A : Dilute hydrochloric and conc. nitric acid
B : Conc. hydrochloric and dilute nitric acid
C : One part of conc. hydrochloric acid and 3 parts of conc. nitric acid.
D : 3 parts of conc. hydrochloric acid and 1 part of conc. nitric acid
Hydrogen Chloride
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Answer
D : 3 parts of conc. hydrochloric acid and 1 part of conc. nitric acid
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Write a balanced equation for each of the following :
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(ii) Magnesium metal is treated with dilute hydrochloric acid.
(i) State the salt and the acid, used in the laboratory preparation of hydrogen chloride.
(ii) Give the equation for the preparation.
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State your observation when :
A glass rod dipped in NH4OH soln. is brought near an open bottle containing conc. HClCorrect the statement:
HCl acid is prepared in the lab. by passing hydrogen chloride directly through water.