Question # 1

Platinum alloyed with which metal is used as catalyst in automobiles as atalytic covertor.

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Gold

Rhodium

Palladium

Both a and b

How many electrons can be accommodated at the most in the third shell of the elements.

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8

10

18

32

All Acids turn blue litmus.

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Pink

White

Colourless

Red

Proton are feflected toward plate.

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Positive

Negative

Both a and b

None of these

Whcih branches of chemistry deals with the changes that occur in atomic nuclei.

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Environmental chemistry

nuclear chemistry

Astrochemistry

Bio chemistry

According to Rutherford's atomic theory, atom should produce.

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Line spectrum

Continuous spectrum

Both a and b

None of these

Elements of a period show properties.

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Same

Different

Both a and b

None of these

Nitrogen molecule contains.

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Polar covalent bond

Triple Covalent bond

Double covalent bond

Single covalent bond

Keeping in view the intermolecular forces of attraction, indicate which compound has the highest boiling point

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H₂S

HF

NH₃

H₂O

Rutherford used a gold foil in his experiment, which had a tickness of

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0,0002 cm

0,0001 cm

0.001 cm

0.00004cm

Atom is electrically

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Positive particle

Negaitve particle

Neutral particle

None of these

Empirical formula of hydrogen peroxide.

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HO

CO

CHO

CH

Malleability is the property by virtue of which a metal can be drawn into.

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Rods

Plates

Sheets

Wires

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Chemistry 9th Class English Medium Online Test MCQs With Answers

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