Author Question: An impurity ________ the melting point of a compound. A) decreases B) increases C) has no ... (Read 117 times)

ghost! · **on:** Aug 27, 2018

An impurity ________ the melting point of a compound.

A) decreases
B) increases
C) has no effect on
D) One cannot say unless the physical properties of the compound are known.

Question 2

The gravity on the moon is one-sixth that on Earth. What would be the weight of an object on Earth if it has a weight of 40 kg on the moon?

A) 6.7 kg
B) 13.3 kg
C) 40 kg
D) 240 kg