Free tnpsc model questions Online Test - MeritNotes

No. of Questions :10

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1. Which one of the following was used as a chemical weapon in the first world war?

2. The father of modern chemistry is

3. Starch is a polymer of

4. The catalyst used in the manufacture of sulphuric acid by contact process is

5. The properties of elements of Mendeleev’s periodic law were the atomic periodic functions of their

6. The isotopes of chlorine with mass number 35 and 37 exist in the ratio of

7. The vitamin that is most readily manufactured in our bodies is

8. Most poisonous pollutants in water is

9. The law of constant proportions was enunciated by

10. Of the following elements, which one has the same oxidation state in all of its compounds?

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