Question # 1

A certain liberate 0.5 g of hydrogen in 2 h. How many grams of copper can be liberated by the same current flowing for the same time in a copper sulphare solution?

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12.7 gm

15.9 gm

31.8 gm

63.5 gm

Which is the most amphoteric?

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Na₂O

MgO

AI₂O₃

CaO

The substance used as a smoke screen in warfare is

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SiCI₄

PH₃

PCI₅

Acetylene

Which one is not usually used for the crystallization

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Acetone

Acetic acid

Sulphuric acid

Chloroform

The valence orbital configuration of an element with atomic number 23 is

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3d⁵

3d³, 4s²

3d³,4s¹,4p¹

3d²,4s²,4p¹

The formula of nitre is

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KNO₃

NaNO₃

NaCI

Na₂CO₃

Which is the most volatile compound?

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HI

HCI

HBr

HF

Hybridization explain the------- of orbitals

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Type of Bonding

Shapes

Shape and Type of bonding

None of above

Ammonia gas used directly as a fertilizer is injected into the soil at a depth of about

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Two inches

Three inches

Five inches

Six inches

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NAT I Medical Chemistry MCQs With Answers

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