1.

Fill in the blanks in the following sentences : (a) Acids have a ___ taste and they turn ___ litmus to ___ . (b) Substances do not show their acidic properties without ___ . (c) Acids produce ___ ions on dissolving in water. (d) Those substances whose smell (or odour) changes in acidic or basic solutions are called ___ indicators. (e) Onion and vanilla extract are ___ indicators.

Answer»

Fill in the blanks in the following sentences :

(a) Acids have a ___ taste and they turn ___ litmus to ___ .

(b) Substances do not show their acidic properties without ___ .

(c) Acids produce ___ ions on dissolving in water.

(d) Those substances whose smell (or odour) changes in acidic or basic solutions are called ___ indicators.

(e) Onion and vanilla extract are ___ indicators.



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