An impurity ________ the melting point of a compound. A) ...

[ghost!]

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

[xMRAZ]

Answer to Question 1

A

Answer to Question 2

D

[ghost!]

Thanks for the timely response, appreciate it

[jordangronback]

Gracias!