Which of the following compounds is commonly used as an antiseptic in mouthwashes and toothpastes?
1). Borax
2). Saltpetre
3). Hydrogen peroxide
4). Sodium chloride
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1. Black lung disease occurs in people working in
2. The pH of human blood is between
3. Question 6.28:Predict conditions under which Al might be expected to reduce MgO.
4. At low temperature, Lead behaves as a :
5. Iodex, a pain relief balm, hasthe smellof
6. Domestic cooking gas consists mostly of
7. Which method will be employed to test the hardness of water?
8. Chemical name of vinegar is
9. The metal does not give H2 on treatment with dilute HCL is