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Question 1 of 23
1. Question
Which of the following changes will favour the formation of the products of the reaction represented above, at equilibrium?
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Question 2 of 23
2. Question
An element \( \;\;\scriptsize {X^{226}_{88}}\) undergoes radioactive decay by emitting two alpha particles and a beta radiation. Which of the following nuclei correctly describe the product formed by the reaction?
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Question 3 of 23
3. Question
Which of the following Alkanols will not undergo oxidation reaction by acidified K2Cr2O7?
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Question 4 of 23
4. Question
The electronic configuration of the species underlined as in the molecule H2S is
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Question 5 of 23
5. Question
The functional group(s) of an amino acid is/are
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Question 6 of 23
6. Question
A student while trying to identify two gases labeled A and B, found that gas. A is acidic to litmus paper and turn acidified potassium dichromate solution green, while gas B turns red litmus paper blue and forms dense white fume with hydrogen chloride. The correct identity of A and B respectively are
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Question 7 of 23
7. Question
Which of the following titrations will have a solution with a pH greater than 7 at the end point
(equivalent point) of the titration?CorrectIncorrect -
Question 8 of 23
8. Question
70cm3 of hydrogen are sparked with 25cm3 of oxygen at S.T.P. The total volume of the residual gas is
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Question 9 of 23
9. Question
A solution X, on mixing 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 10 of 23
10. Question
Which of the following statement is an exception in the assumptions of the kinetic theory of gases?
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Question 11 of 23
11. Question
A saturated solution of AgCl was found to have a concentration of
1.30× 10-5moldm-3 The solubility product of AgCl therefore is
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Question 12 of 23
12. Question
0.06g of a hydrocarbon occupies 32cm3 at S.T.P. It’s formula is
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Question 13 of 23
13. Question
Which of the following is a redox reaction?
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Question 14 of 23
14. Question
Which of the following processes leads to increase in entropy?
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Question 15 of 23
15. Question
Which one of the following statements is true?
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Question 16 of 23
16. Question
A liquid begins to boil when
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Question 17 of 23
17. Question
An element which exists in more than one crystalline form is said to exhibit
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Question 18 of 23
18. Question
The electronic configuration in the ground state of the chloride ion (Cl–) is
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Question 19 of 23
19. Question
Which of the following is an example of chemical change?
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Question 20 of 23
20. Question
The oxidation number of oxygen in BaO2 is
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Question 21 of 23
21. Question
Which ONE of the following statements is true for the p-block elements?
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Question 22 of 23
22. Question
The general formula for carboxylic acids is
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Question 23 of 23
23. Question
The functional group represented in the compound CH3-CH2-CH2-CH2-CH=O is
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