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Question 1 of 25
1. Question
The flame used by welders in cutting metals is
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Question 2 of 25
2. Question
Consecutive members of an alkane homogenous series differ by
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Question 3 of 25
3. Question
Which of these will dissolve in HCl? Mg, Fe, Pb and Cu
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Question 4 of 25
4. Question
Stainless steel is an alloy of
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Question 5 of 25
5. Question
What volume of 0.50M H2SO4 will exactly neutralize 20cm3 of 0.1M NaOH solution?
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Question 6 of 25
6. Question
A gas that can behave as a reducing agent towards chlorine and as an oxidizing agent toward hydrogen sulphide is
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Question 7 of 25
7. Question
An element that can exist in two or more different structural forms which possess the same chemical properties is said to exhibit
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Question 8 of 25
8. Question
The hybridization of the carbon atom in ethyne is
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Question 9 of 25
9. Question
In the Haber process for the manufacture of ammonia, finely divided iron is used as
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Question 10 of 25
10. Question
Nitrogen can best be obtained from a mixture of oxygen and nitrogen by passing the mixture over
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Question 11 of 25
11. Question
At STP how many litres of hydrogen can be obtained from the reaction of 500cm3 of 0.5M H2SO4 excess zinc metal
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Question 12 of 25
12. Question
Tetraoxosulphate (VI) ions are final test using
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Question 13 of 25
13. Question
Which of the following is NOT the correct product formed when the parent metal is heated in air?
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Question 14 of 25
14. Question
Which of the following roles does sodium chloride play in soap preparation? It
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Question 15 of 25
15. Question
The function of Sulphur during the vulcanization of rubber is to
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Question 16 of 25
16. Question
An element with atomic number twelve is likely to be
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Question 17 of 25
17. Question
Which of the following is an acid salt?
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Question 18 of 25
18. Question
Which of the following compounds is NOT formed by the action of chlorine on methane?
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Question 19 of 25
19. Question
Starch can be converted to ethyl alcohol by
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Question 20 of 25
20. Question
How many isomers can be formed from organic compounds with the formula C3H8O
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Question 21 of 25
21. Question
When platinum electrodes are used during the electrolysis of copper (II) tetraoxosulphate (IV) solution, the solution gets progressive
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Question 22 of 25
22. Question
Which of the following physical properties decreases across the periodic table
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Question 23 of 25
23. Question
Which of these has the lowest pH value?
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Question 24 of 25
24. Question
Which of the following is used in fire extinguishers?
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Question 25 of 25
25. Question
Mortar is NOT used for under water construction because
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