Everyday Science 2141 MCQs [All-Courses]

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The inert gas which is substituted for nitrogen in the air used by deep sea divers for breathing, is ________ ?

A Argon

B Xenon

C Helium

D Krypton

Review Detailed Answer

Correct Answer: Helium

Freezing point of water at Fahrenheit Scale is?

A 0 °F

B 212 °F

C 32 °F

D -32 °F

Review Detailed Answer

Correct Answer: 32 °F

Chemical formula for Water is _______ ?

A NaAlO2

B H2O

C Al2O3

D CaSiO3

Review Detailed Answer

Correct Answer: H2O

Which one of the following wavelengths of light is most effective in photosynthesis?

A Blue

B Green

C Orange

D Yellow

Review Detailed Answer

Correct Answer: Blue

The PH of milk is __________?

A 6.0

B 6.5

C 7.0

D 7.5

Review Detailed Answer

Correct Answer: 6.5

A state of stress caused by concern for the earth’s environment is called?

A Eco-anxiety

B Eco-fear

C Eco-depression

D Eco-alarm

Review Detailed Answer

Correct Answer: Eco-anxiety

Turpentine is obtained from___________?

A Oak tree

B Pine tree

C Birch tree

D Lemon tree

Review Detailed Answer

Correct Answer: Pine tree

The cause for the Tsunami, as deduced by the seismologists, is?

A gravitational pull of the moon

B low pressure trough in the ocean

C deformation of sea floor and vertical displacement of water

D sudden change in the monsoon wind

Review Detailed Answer

Correct Answer: deformation of sea floor and vertical displacement of water

Soap and detergents remove the dirt from clothes due to__________?

A Osmosis

B Capillary action

C Lowering of interfacial tension

D Diffusion

Review Detailed Answer

Correct Answer: Lowering of interfacial tension

Velocity of sound in air does not change with the change of?

A Temperature of air

B Pressure of air

C Moisture content in air

D Wind in the direction of propagation of sound

Review Detailed Answer

Correct Answer: Pressure of air

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Everyday Science 2141 MCQs [All-Courses]

All Topics 2141

All Topics 2141

The inert gas which is substituted for nitrogen in the air used by deep sea divers for breathing, is ________ ?

Freezing point of water at Fahrenheit Scale is?

Chemical formula for Water is _______ ?

Which one of the following wavelengths of light is most effective in photosynthesis?

The PH of milk is __________?

A state of stress caused by concern for the earth’s environment is called?

Turpentine is obtained from___________?

The cause for the Tsunami, as deduced by the seismologists, is?

Soap and detergents remove the dirt from clothes due to__________?

Velocity of sound in air does not change with the change of?

Contact Info

Everyday Science 2141 MCQs [All-Courses]

All Topics 2141

All Topics 2141

Everyday Science 2136

The inert gas which is substituted for nitrogen in the air used by deep sea divers for breathing, is ________ ?

Freezing point of water at Fahrenheit Scale is?

Chemical formula for Water is _______ ?

Which one of the following wavelengths of light is most effective in photosynthesis?

The PH of milk is __________?

A state of stress caused by concern for the earth’s environment is called?

Turpentine is obtained from___________?

The cause for the Tsunami, as deduced by the seismologists, is?

Soap and detergents remove the dirt from clothes due to__________?

Velocity of sound in air does not change with the change of?