Question 1 of 10

If x1, x2, x3 as well as y1, y2, y3 are in GP with the same common ratio, then the points (x1, y1), (x2, y2) and (x3, y3) :

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Question 2 of 10

When 32.25g of ethyl chloride is subjected to dehydrohalogenation reaction the yield of the alkene formed is 50%. The mass of the product formed is: (atomic mass of chlorine is 35.5)

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E

Question 3 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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D

Question 4 of 10

The correct order of ionic radii of {tex}Y^{3+}, La^{3+}, Eu^{3+}{/tex} and {tex}Lu^{3+}{/tex}is

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D

Question 5 of 10

B.H.C is prepared by treating benezene with

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D

Question 6 of 10

No of {tex}H_2O{/tex} molecules in a drop of water weighing 0.05g is:

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Question 7 of 10

Auto reduction is employed in the metallurgy of :

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E

Question 8 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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D

Question 9 of 10

If for a plane, the intercepts on the co-ordinate axes are 8, 4, 4 then the length of the perpendicular from the origin on to the plane is

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Question 10 of 10

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E
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