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Questions and Answers
Which substance is used in the blood test for diagnosing anemia?
Which substance is used in the blood test for diagnosing anemia?
- Sodium sulphate
- Epsom salt
- Blue vitriol (correct)
- Barium chloride
What is the common name of sodium sulfate?
What is the common name of sodium sulfate?
- Epsom salt
- Borax
- Alum
- Glauber's salt (correct)
What is the purpose of alum in water purification?
What is the purpose of alum in water purification?
- To increase the pH of water
- To enhance the taste of water
- To add color to water
- To remove solid impurities by coagulation (correct)
Which substance is used as a fungicide on fruits like grapes and musk melon?
Which substance is used as a fungicide on fruits like grapes and musk melon?
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What type of impurities does alum help in removing from water?
What type of impurities does alum help in removing from water?
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In the soap-making process, what type of salts are formed when oil or animal fat is boiled with an aqueous solution of sodium or potassium hydroxide?
In the soap-making process, what type of salts are formed when oil or animal fat is boiled with an aqueous solution of sodium or potassium hydroxide?
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