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Question 1 of 10
1. Question
An organic compound containing 40.1% carbon and 6.67% hydrogen has a empirical formula of
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Question 2 of 10
2. Question
The general formula of alkanones is
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Question 3 of 10
3. Question
How many isomer can be formed from organic compounds with the form C2H2O?
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Question 4 of 10
4. Question
What is the formula of sodium gallate if gallium (Ga) shows an oxidation number of+3?
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Question 5 of 10
5. Question
A man suspected of being drunk is made to pass into acidified potassium dichromate solution. If his breath carries a significant level of ethanol, the final colour of the solution is
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Question 6 of 10
6. Question
Which of the following is used in the manufacture of bleaching powder?
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Question 7 of 10
7. Question
Complete hydrogenation of ethyne yields
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Question 8 of 10
8. Question
The movement of liquid molecules from the surface of the liquid to the gaseous phase above it, is known as
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Question 9 of 10
9. Question
An element X has 127 neutrons and 82 electrons. Its atomic number is
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Question 10 of 10
10. Question
Which of the following substances is a mixture?
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