Everyday Science 2141 MCQs [All-Courses]

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Which of the following has the highest energy?

A gamma rays

B X-rays

C Ultra-violet radiation

D radio waves

Review Detailed Answer

Correct Answer: gamma rays

All of the following are electromagnetic radiations except__________?

A Red light

B Sound waves

C X-Rays

D Photon

Review Detailed Answer

Correct Answer: Sound waves

Second ionization energy:

A is always less than first ionization energy

B is always greater than first ionization energy

C is equal to the first ionization energy

D may be greater or less than the first ionization energy depending on the nature of the element

Review Detailed Answer

Correct Answer: is always greater than first ionization energy

Nuclear radiation is emitted by those elements whose:

A molecules are stable

B molecules are unstable

C nuclei are stable

D nuclei are unstable

Review Detailed Answer

Correct Answer: nuclei are unstable

Color of the glow produced in the discharge tube:

A depends on the pressure in the discharge tube

B depends on the metal used as cathode

C depends on the gas used in the discharge tube

D does not depend on the nature of the gas used in the discharge tube

Review Detailed Answer

Correct Answer: depends on the gas used in the discharge tube

Covalent network crystals have_____________?

A higher melting point then molecular crystals

B lower melting point then molecular crystals

C discrete molecules linked by Van der waals forces

D hydrogen bonding

Review Detailed Answer

Correct Answer: higher melting point then molecular crystals

The increasing vapor pressure caused by heating a liquid is due to___________?

A increase inter-molecular interactions

B increasing potential energy of molecules

C increasing kinetic energy of molecules

D decreasing surface tension

Review Detailed Answer

Correct Answer: increasing kinetic energy of molecules

Rate of evaporation of petrol is greater than that of water at room temperature because:

A petrol molecules do not have any hydrogen bond

B petrol is an organic compound

C water molecules have small size

D petrol molecules have greater size

Review Detailed Answer

Correct Answer: petrol molecules do not have any hydrogen bond

Honey contain glucose and fructose along with some other ingredients, it has greater viscosity due to____________?

A hydrogen bonding

B irregular shape of the molecules

C irregular shape of the molecules and strong inter-molecular forces

D greater molecular size

Review Detailed Answer

Correct Answer: irregular shape of the molecules

All of the following substances are crystalline except_____________?

A Ice

B Diamond

C Sucrose

D Plastic

Review Detailed Answer

Correct Answer: Plastic

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Everyday Science 2141 MCQs [All-Courses]

All Topics 2141

All Topics 2141

Which of the following has the highest energy?

All of the following are electromagnetic radiations except__________?

Second ionization energy:

Nuclear radiation is emitted by those elements whose:

Color of the glow produced in the discharge tube:

Covalent network crystals have_____________?

The increasing vapor pressure caused by heating a liquid is due to___________?

Rate of evaporation of petrol is greater than that of water at room temperature because:

Honey contain glucose and fructose along with some other ingredients, it has greater viscosity due to____________?

All of the following substances are crystalline except_____________?

Contact Info

Everyday Science 2141 MCQs [All-Courses]

All Topics 2141

All Topics 2141

Everyday Science 2136

Which of the following has the highest energy?

All of the following are electromagnetic radiations except__________?

Second ionization energy:

Nuclear radiation is emitted by those elements whose:

Color of the glow produced in the discharge tube:

Covalent network crystals have_____________?

The increasing vapor pressure caused by heating a liquid is due to___________?

Rate of evaporation of petrol is greater than that of water at room temperature because:

Honey contain glucose and fructose along with some other ingredients, it has greater viscosity due to____________?

All of the following substances are crystalline except_____________?