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Chemistry 1488 MCQs [All-Courses]

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Which of the following is mineral fiber ?

A Teflon

B asbestos

C saran

D acrylic

Review Detailed Answer

Correct Answer: asbestos

When methl iodide and ethyl iodide are treated with sodium metal possible major products are obtained ?

A 1

B 2

C 3

D 4

Review Detailed Answer

Correct Answer: 3

When an electron is moving with velocity of 2.188 x 106 ms-1 in the first orbit of Bohrs model of hydrogen. The de Broglie wavelength of electron is______________?

A 0.33 nm

B 0.34 nm

C 0.35 nm

D 0.36 nm

Review Detailed Answer

Correct Answer: 0.33 nm

Which of the following properties prove that cathode rays are material in nature_________________?

A they cast shadow

B they possess momentum

C they are negatively charged

D all of the above

Review Detailed Answer

Correct Answer: they possess momentum

Paramagnetic behaviour of substance is measured by a balance called___________________?

A Analytical balance

B Guoys balance

C Electrical balance

D Single beam balance

Review Detailed Answer

Correct Answer: Guoys balance

Butyl chloride gives possible isomers ?

A 2

B 3

C 4

D 5

Review Detailed Answer

Correct Answer: 4

Which of the following solids show anisotropy___________________?

A Plastic

B Glass

C Rubber

D None of the above

Review Detailed Answer

Correct Answer: None of the above

The rectified spirit is________________?

A 12% alcohol

B 90% alcohol

C 95% alcohol

D 100% alcohol

Review Detailed Answer

Correct Answer: 95% alcohol

As a substance moves from a solid to a liquid all of the following changes occur except ?

A molecules become more disordered.

B K.E of the molecules decreases

C intermolecular forces become weaker.

D molecules move more frequently.

Review Detailed Answer

Correct Answer: K.E of the molecules decreases

Oxygen (molecular weight = 32) diffuses at a rate of 10cm3/min under the same conditions of temperature and pressure how fast will hydrogen (molecular weight = 2) diffuse ?

A 20cm3/min

B 40cm3/min

C 160cm3/min

D 2.5cm3/min

Review Detailed Answer

Correct Answer: 40cm3/min

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Chemistry 1488 MCQs [All-Courses]

All Topics 1488

All Topics 1488

Which of the following is mineral fiber ?

When methl iodide and ethyl iodide are treated with sodium metal possible major products are obtained ?

When an electron is moving with velocity of 2.188 x 106 ms-1 in the first orbit of Bohrs model of hydrogen. The de Broglie wavelength of electron is______________?

Which of the following properties prove that cathode rays are material in nature_________________?

Paramagnetic behaviour of substance is measured by a balance called___________________?

Butyl chloride gives possible isomers ?

Which of the following solids show anisotropy___________________?

The rectified spirit is________________?

As a substance moves from a solid to a liquid all of the following changes occur except ?

Oxygen (molecular weight = 32) diffuses at a rate of 10cm3/min under the same conditions of temperature and pressure how fast will hydrogen (molecular weight = 2) diffuse ?