Which of the following characteristics can be observed when dilute sulphuric acid is added to zinc granules in a conical flask? (I) Evolution of a gas (II) Increase in temperature (III) decrease in temperature (IV) Formation of precipitate
When dilute sulphuric acid is added to granulated zinc placed in a test-tube, the observation made is :
When dilute hydrochloric acid is added to granulated zinc placed in atest tube, the observation made is :
When dilute hydrochloric acid is added to granulated zinc placed in a test tube, the observation made is:
Four set ups as given here were arranged to identify the gas evolved when dilute sulphuric acid was added to zinc granules. The most appropriate set up is :
Which of the following is (are) an endothermic process(es)? (i) Dilution of sulphuric acid (ii) Sublimation of dry ice (iii) Condensation of water vapours (iv) Evaporation of water
Which of the following phenomena occur when a small amount of acid is added to water ? (i) Ionisation (ii) neutralisation (iii) Dilution (iv) Salt formation