Gk Questions with AnswersChemistry
DIRECTIONS : Chemistry Questions and Answers.
| 1. | ____ is used for bleaching wood pulp in paper industry. |
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| 2. | Sulphuric acid oxidises carbon to ____ |
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| 3. | ____ is used in the preservation of biological specimens. |
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| 4. | Oxides of non metals are ___ in nature. |
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| 5. | The pH of blood is ____ |
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