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Question 1 of 15
1. Question
A solution X when mixed with AgNO3 solution gives a white precipitate soluble in NH3, a solution Y when added to X also gives a white precipitate which is soluble on boiling. Solution Y contains
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Question 2 of 15
2. Question
The oxidation state of manganese in KMnO4 is
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Question 3 of 15
3. Question
An increase in temperature requires an increase in pressure of gas because
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Question 4 of 15
4. Question
Indicate which of the following statements is not true as move from left to right along the periodic table
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Question 5 of 15
5. Question
The solution of a sample in a tube will be identified as chloride if it gives
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Question 6 of 15
6. Question
The atomic number of caesium is 55 and its atomic mass is 133, nucleus of caesium atom therefore contains
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Question 7 of 15
7. Question
In the reaction, SnO2(g) + 2C(s) → Sn(s) + 2CO(g) the mass of coke containing 80% carbon required to reduce 302g of pure tin oxide is [Sn=119, 0=12, 0=16)
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Question 8 of 15
8. Question
A mixture of sand, ammonium chloride and sodium chloride is best separated by
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Question 9 of 15
9. Question
A given amount of gas occupies 10dm3 at 304mmHg and 27°C, number of mole of gas present is =( 0.0821 atmdm3mol-1K-1)
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Question 10 of 15
10. Question
The balanced equation for the reaction of tetrasulphate(VI) acid with aluminum tetraoxosulphate(VI) is
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Question 11 of 15
11. Question
Which of the following cannot be dried with concentrated sulphuric acid
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Question 12 of 15
12. Question
In the combustion of pentane shower the reaction below;
C4H12 + xO2 —> yCO2 + zH2O
Which of the following values for x, respectively balances then reaction?CorrectIncorrect -
Question 13 of 15
13. Question
How many isometric forms are there for the molecular formula C3H6Br2?
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Question 14 of 15
14. Question
The IUPAC name for the compound
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Question 15 of 15
15. Question
Terylene is synthesized from ethane 1, 2 diol and benzene- 1, 4dicarboxlic acid by
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