Question 1 of 10

If X = , then Xn, for n ∈ N is equal to

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E

Question 2 of 10

Which compound among the following give/s positive iodoform test?
1. Ethanol
2. Ethanal
3. 1-butanol
4. 2-butanol
5. Phenyl ethanal

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B
C
D

Question 3 of 10

Propyne is treated with sodamide and the product is treated with methyl iodide to get

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C
D

Question 4 of 10

Oxidation states of P in {tex}H_4 P_2 O_5, H_4 P_2 O_6, H_4 P_2 O_7{/tex} are respectively.

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B
C
D

Question 5 of 10

Under which one of the following conditions, does the reaction take place,

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C
D

Question 6 of 10

The values of λ so that the line 3x-4y=λ touches x2+y2-4x-8y-5=0 are

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B
C
D
E

Question 7 of 10

Cathode rays are produced when the pressure is of the order of

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D
E

Question 8 of 10

Which of the following on thermal decomposition yields a basic as well as an acidic oxide?

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B
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D

Question 9 of 10

Which one of the following pairs of substances will not produce hydrogen when reacted together?

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C
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E

Question 10 of 10

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E
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