A mixture of salt and sand can be separated by
1 Sublimation
2 Dissolving in water
3 Gravity separation
4 Dry distillation
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Soda-acid fire extinguisher involves the reaction between 1 Sodium hydroxide and nitric acid 2 Sodium bi carbonate and sulphuric acid 3 Sodium sulphate and carbonic acid 4 Sodium carbonate and hydrochloric acid
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hai i am koti reddy panta.studying 3rd mca.i failed in my degree. shell i consider those subjects as backlogs
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