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Chemistry

Chemistry
The apparatus used to test acidity of aqueous solution is

PH meter
Hygrometer
Acidmeter
Ammeter

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Chemistry
Which one element has the lowest electronegativity value

Radium
Chlorine
Fluorine
Francium

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Chemistry
Synthetic detergents are prepared from

Sodium salts of higher fattyacids
Glycerides
Potassium salts of higher fatty-acids
Hydrocarbons of petroleum

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Chemistry
Besides CO2, the other green house gas is

O2
CH4
Ar Ar
N2 N2

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Chemistry
Acid rain is caused due to pollution of atmosphere by

Oxides of carbon and nitrogen
None of these
Oxides of nitrogen and sulphur
Oxides of nitrogen and phosphorous

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Chemistry
The anode in a dry cell consists of

Copper
Graphite
Cadmium
Zinc

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