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31/10/2020 5:30 pm
Topic starter
Fill in the blanks
1. Acids turn …………. litmus solution…………. .
2. pH of basic solution is always …………. than 7.
3. …………. are the products obtained when bleaching powder reacts with dilute sulphuric acid.
4. Potassium nitrate has pH value equal to …………. .
5. …………. is the fixed number of water molecules chemically attached to each formula unit of a salt in its crystalline form.
6. …………. is one of the raw materials for the production of baking soda.
1 Answer
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31/10/2020 5:31 pm
1. blue, red
2. more/greater
3. CaSO4, Cl2, H2O
4. 7 or seven
5. Water of crystallisation
6. Sodium chloride