Physics
Mist is caused by

Water vapour at low temperature
Carbon-monoxide in solid form
Dry ice
Ice at low temperature

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Physics
Scalar Quantities are

Physical quantities which have magnitude only and no direction
Physical quantities which have magnitude only and direction
Physical quantities which have no magnitude only and only direction
Physical quantities which have no magnitude and no direction

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Physics
Solar eclipse will take place when

the moon is between the sun and the earth
the sun is between the moon and the earth
the earth is between the moon and the sun
the moon does not lie on the line joining the sun and the earth

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