Write the properties of Bases.

1.	Write the properties of Bases.
Answer» 1. Bases are bitter to taste. 2. They are slippery to touch. 3. They turn red litmus to blue colour, methyl orange to yellow colour, phenolphtha- lein to pink and hibiscus indicator to green colour. 4. They change the colour of turmeric indicator to reddish brown. 5. pH of acids is more than 7. 6. Bases like sodium hydroxide react with metals and releases hydrogen gas. 7. Bases react with acid to form water and salt. This reaction is called neutralisation reaction. 8. Sodium hydroxide, magnesium hydroxide, potassium hydroxide and calcium hy-droxide are examples for bases.

Answer»

1. Bases are bitter to taste.

2. They are slippery to touch.

3. They turn red litmus to blue colour, methyl orange to yellow colour, phenolphtha- lein to pink and hibiscus indicator to green colour.

4. They change the colour of turmeric indicator to reddish brown.

5. pH of acids is more than 7.

6. Bases like sodium hydroxide react with metals and releases hydrogen gas.

7. Bases react with acid to form water and salt. This reaction is called neutralisation reaction.

8. Sodium hydroxide, magnesium hydroxide, potassium hydroxide and calcium hy-droxide are examples for bases.

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