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Q:1
By _______ process the H2SO4 produced is pure and can be produced of any desired strength?
Lead Chamber Process
Contact Process
Down’s Cell
None of these
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Question 2 of 5
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Q:2
Ether is soluble in ?
Water
Dil HCl
Conc. KOH
Conc. H2SO4
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Question 3 of 5
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Q:3
_____________ and ___________ are used as drying agents in vacuum desiccator.
i. Gas ii. Liquid
i. CaCl2 ii. Silca gel
i. Elements ii. Compounds
i. Filter paper ii. Filter crucible
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Question 4 of 5
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Q:4
One of the outstanding features of boron is ability to form________ ?
Molecular addition compounds
Molecular crystals
Semiconductors
All
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Question 5 of 5
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Q:5
Bombardment of Beryllium with alpha particles generates:
proton
neutron
electron
positron
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