When aluminium metal reacts with dilute ...

When aluminium metal reacts with dilute hydrochloric acid,_______ gas is liberated.

oxygen

hydrogen

chlorine

hydrogen peroxide

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Iron reacts with dilute hydrochloric acid.

Does copper react with dilute hydrochloric acid ?

The products formed when sodium sulphite is made to react with dilute hydrochloric acid are

Which gas is produced when a reactive metal reacts with dilute hydrochloric acid ? Wirte the chemical reaction when iron reacts with dilute H_(2)SO_(4) .

When zinc metal reacts with dilute sulphuric acid, a gas is evolved. Which one is a correct statement about the nature of this gas ?

(a). What are metals? Name five metals (b). Name a metal which is so soft that it can be cut with a knife. (c). Name the metal which is the best conductor of heat and electricity. (d). What happens when a metal reacts with dilute hydrochloric acid? Explain with the help of an example. (e). Write the equations for the reactions of : (i). Magnesium with dilute hydrochloric acid. (ii). Aluminimum with dilute hydrochloric acid. (iii). Zinc with dilute hydrochloric acid (iv). Iron with dilute hydrocloric acid. Name the products formed in each case, also indicate the physical states of all the substances involved.

During the reaction of some metals with dilute hydrochloric acid, following observations were made. Some bubbles of a gas are seen when lead (Pb) is reacted with the acid. Explain these observations giving suitable reasons.

What happens when a piece of : (a) zinc metal is added to copper sulphate solution ? (b) aluminium metal is added to dilute hydrochloric acid ? Write chemical equations involved.

During the reaction of some metals with dilute hydrochloric acid, following observation was made. The temperature of the reaction mixture rises when aluminium (Al) is added. Explain these observations giving suitable reasons.

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