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प्रश्न
The metal that will not produce hydrogen gas when reacted with dilute acids.
विकल्प
Iron
Lead
Magnesium sulphite
Ferric chloride
Zinc
Copper
Sodium sulphide
Ferrous sulphate
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उत्तर
Copper
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संबंधित प्रश्न
Dry HCl gas does not change the colour of dry blue litmus paper. Why?
What happens when an acid reacts with a base?
What is the chemical formula of bleaching powder?
Read the following statements:
I. When a red litmus paper is dipped into reaction mixture of a saponification reaction, it turns blue and the reaction is exothermic.
II. When a blue litmus paper is dipped into reaction mixture of a saponification reaction, its colour does not change and the reaction is exothermic.
III. When a red litmus paper is dipped into reaction mixture of a saponification reaction, its colour does not change and the reaction is endothermic.
IV. When a blue litmus paper is dipped into reaction mixture of a saponification reaction, its colour does not change and the reaction is endothermic.
Which of the above statements are correct:
(A) I, and II
(B) II and III
(C) III and IV
(D) I and IV
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Silver nitrate solution and sodium chloride solution.
