ii and iii only
ii, iii and iv only
i, iii and iv only
i, ii amd iv only
Correct answer is D
No explanation has been provided for this answer.
Which of the following is used to measure relative humidity?
hydrometer
barometer
hypsometer
hygrometer
Correct answer is D
No explanation has been provided for this answer.
When table salt is added to ice, the melting point of the ice
is raised
is lowered
remains unchanged
is first raised, then lowered
Correct answer is B
No explanation has been provided for this answer.
8 minutes
4 minutes
2 minutes
1 minute
Correct answer is C
No explanation has been provided for this answer.
ideal gases
a fixed mass of gas
a mixture of gases
a gas at variable temperature
Correct answer is A
No explanation has been provided for this answer.