Question # 1

In the bessemerization process.

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Roasted ore is beated.

Molten matte is removed.

Molten matte is heated

Molten matte is added

Lavoisier named binary compounds of oxygen acids in .

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1787

1790

1815

1828

Lipids are macromolecules made up of.

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Fetty acids

Amino acids

Nucleotides

None of them

Catalyst used in Haber's process is:

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Ni

Fe

Cu

Zn

Petroleum fraction having composition C₅ to C₇ is.

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Petroleum Gas

Petroleum Ether

Kerosine oil

Gasoline or petrol

Alkanes are least reactive compounds because they are.

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Saturated hydrocarbons.

Unsaturated hydrocarbons.

Both a and b

None of the above.

Which acid is used for etching glass?

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HF

HCl

HBr

HI

When crude oil is heated in the fractionating tower:

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Vapour of higher boiling point fraction condense first in the lower part of the tower.

Vapours of lower boiling point fraction condense first in the lower part of tower.

Vapour of higher boiling point condense lather in the upper part of tower.

Vapours of higher boiling point never condense.

The number of carbon atoms present in kerosene oil.

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8-12

9-12

10-12

11-12

Dextrose is a crystallized:

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sucrose

lactose

glucose

fructose

The color of hydrogen Iodide is:

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Colourless

Black

Red

Pink

According to Bronsted and Lowry concept a base is a substance that can accept.

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Proton

Electron pair

Neutron

Electron

Formation profess of Ammonia by the combination Hydrogen and Nitrogen was given by:

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Dalton

Thomson

Haber

Waage

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