Question # 1

Which of the following compounds is used to make spray, which has fungicidal action.

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BaSO4

Na2CO3

CaO

CaSO4.2H2O

The state of hybridization of carbon atom in Ethyne

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sp

sp²

dsp²

sp³

Which of the following is non-typical transition metal

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Fe

Mn

Zn

Ni

Which one of the following is inorganic fertilizer.

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Manure

Urea

Ammonium nitrate

All of these

Bone ash contain calcium phosphate

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40%

50%

70%

80%

Which of the following are mono-saccharides

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Fructose

Sucrose

Stach

Cellulose

The pH of unpolluted rain water should be

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5.00

5.60

6.50

7.00

Tincal is a mineral of.

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Al

B

Si

C

The conversion of ethanol to ethene is an example of.

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Dehydration

Hydration

Hydrogenation

Fermentation

The most reactive Alkyl halide is

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Alkyl Iodide

Alkyl Bromide

Alkyl fluoride

Alkyl Chloride

Starch mixture of

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Amylose and xylose

Amylopectin and lactose

Lactose and sucrose

amylose and amylopectin

The conversion of ethene to ethanol is an example of.

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Hydration

Dehydration

Neutralization

Esterification

Electron affinity is measure of energy

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Required to remover the electron

Released by adding an electron

Required to excite an electron

Released by removing an electron

Dolomite is a carbonate of

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Be

Mg

Na

Ba

Cholesterol is an important precursor in the biosynthesis of

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Sex harmonies

Adrenal hormones

Vitamin D

All of these

Peroxyacetyl nitrate is an irritant to humab beings and it affects

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Eyes

Ears

Stomach

Nose

Formalin is

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10% solution of formaldehyde in water

20% solution of formaldehyde in water

40% solution of formaldehyde in water

60% solution of formaldehyde in water

When carbon di oxide is bubbled through lime water, white precipitate is formed This precipitate is.

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COCl2

H2CO3

CaO

CaCO3

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