Question

answer the question in copy ​

Answer 1

Step-by-step explanation:

1. When a metal reacts with dilute acid, salts are formed. During this reaction hydrogen gas is evolved. In other words, when a metal is added to dilute acids, salt and hydrogen gas are formed. ... Some metals reacts vigorously with dilute sulfuric acid or hydrochloric acid for example, potassium, sodium, lithium and calcium.

2. Most of the metals reacts when reacts with acids for salt and hydrogen gas. Foodstuffs like oranges,juices,pickles ,chutney or curd etc are not kept in from and aluminium container because they contain acids.

3.Most of the metals reacts when reacts with acids for salt and hydrogen gas. Foodstuffs like oranges,juices,pickles ,chutney or curd etc are not kept in from and aluminium container because they contain acids

Answer 2

Explanation:

Hello!!

1) When a metal reacts with dilute acid, salts are formed. During this reaction hydrogen gas is evolved. In other words, when a metal is added to dilute acids, salt and hydrogen gas are formed.

2)Foodstuffs like oranges,juices,pickles ,chutney or curd etc are not kept in from and aluminium container because they contain acids.When the foodstuff contain Acids kept in Iron and aluminium vessels,the Acids present in them reacts with metals of the contain and produced some toxic salts and harmful substance and this toxic salt can harm your health.

3) Because:

  It is insoluble in water but soluble in carbon disulphide.

  It is dangerously reactive in air and catches fire when exposed to air.

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