True or False – if false, give the correct statement:
1. Acids have a sour taste and they are soapy to touch.
2. Neutral substances do not bring about any change in colour of indicators.
3. All bases are alkalis but all alkalis are not bases.
4. When an acid reacts with a base, neutralisation reaction takes place to give salt and water.
5. Acids are corrosive in nature. They corrode metals hence are not stored in metal containers.
