Free trb questions Online Test - MeritNotes

No. of Questions :10

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1. The valency of bicarbonate ion is

2. Which noble gas was discovered in chromosphere of the sun?

3. pH of 0.1 M NAOH would be

4. The fluoride ore of aluminium is

5. The percentage of carbon dioxide in the atmosphere is

6. Which one of the following is associated with the formation of brown air in traffic congested cities

7. The conversion of ethanol into ethyl acetate is called as

8. The lightest element known is

9. The number of carboxylic acid groups present in malonic acid is

10. The fundamental building blocks of matter are

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