Nitric acid turns red litmus blue true or false
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STATE TRUE OR FALSE FOR THE FOLLOWING STATEMENTS:
1. Nitric acid turns red litmus to blue.2. Sodium hydroxide turns blue litmus to red.3. Sodium hydroxide and hydrochloric neutralise each other and form salt and water.4. Indicator is a substance which shows different colours in acidic and basic solutions.5. Tooth decay is caused by the presence of a base.6. Organic acids are called edible acids.7. Tartaric acid is present in lemon.8. Formula of sodium hydroxide is NaoH.9. Lichens are the indicators of pollution. 10. Acids contain H+ ions.