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Laboratory Method of Hydrogen Gas Preparation

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Question

Complete the reaction :- Al + H2SO4 --->

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Solution

Aluminium reacts with dilute sulphuric acid to form aluminium sulphate and hydrogen gas. 2Al + 3H2SO4 ----> Al2(SO4)3 + 3H2 Aluminium react with hot concentrated sulphuric acid to form aluminium sulphate, sulphur dioxide and hydrogen gas. 2Al + 6H2SO4 ----> Al2(SO4)3 + 3SO2 + 6H2O

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Q. Fill the given table with the appropriate compounds which will complete the following reactions.

R e a c t i o n \Rightarrow R e a c t a n t 1 + R e a c t a n t 2 \to P r o d u c t 1 + P r o d u c t 2

$R e a c t a n t 1$	$R e a c t a n t 2$	$P r o d u c t 1$	$P r o d u c t 2$
$M g$	$H_{2} S O_{4}$	1	$H_{2}$
$N a$	2	$N a C l$	$H_{2}$
3	$H_{2} S O_{4}$	$Z n S O_{4}$	$H_{2}$
$A l$	$H C l$	4	$H_{2}$

Q. Complete the following reaction:

N a O H + A l \to N a [A l (O H)_{4}] +

Q. Complete the following reaction.

A l + C \to . . . . . .

Q. Complete the following reaction

R N H_{2} + H_{2} S O_{4} \to

Q. Complete the reaction equation.

2 N a H C O_{3} + H_{2} S O_{4} \to

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Laboratory Method of Hydrogen Gas Preparation

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