One of the forms of a naturally occurring solid compound P is usually used for making the floors of houses. On adding a few drops of dilute hydrochloric acid to P, brisk effervescence on adding dilute HCl to P. Gas Q is said t cause globel warning wheres solid R is used for white-washing.
(a) What is (i) solid P (ii) gas Q, and (iii) solid R.
(b) What is the total mass of Q and R obtained from 50 g of P ?
(c) How does the total mass of Q and R formed compare with the mass of P taken ?
(d) What conclusion do you get from the comparison of masses of products and reactant ?
(e ) Which law of chemical combination is illustrated by the example given in this problem ?