What happens when an acid reacts with a metal oxide? Explain with the help of an example. Write a balanced equation for the reaction involved.

(a). What happens when an acid reacts with a metal carbonate? Explaini with the help of an example. Write chemical equation of the reaction involved. (b). What happens when carbon dioxide gas is passed through lime water: (i). For a short time? (ii). for a considerable time? Write equations of teh reactions involved.

What happens when metal oxide reacts with acid ?

what happens when hydrogen reacts with alkali metals ?

What happens when metals react with oxygen?

(a). What happens when zinc granules are heated with sodium hydroxide solution? Write equation of the reaction which takes place. (b). What happens when bases react with non-metal oxides? Explain with the help of an example. What does this reaction tell us about the natrue of non-metal oxides?

(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.