Chapter 2 - Chemistry

Question 1

Meaning of molecule

Answer 1

2 or more atom bonded together

Question 2

Meaning of element

Answer 2

One type of atom

Question 3

Titanium Oxide and water is

Answer 3

A compound

Question 4

What is a solute

Answer 4

A solid

Question 5

What is a solvent

Answer 5

It is a type of liquid

Question 6

When you mix a solute and a solvent it becomes

Answer 6

Solution

Question 7

Moses burn 2.4 of magnesium ribbon. He obtains 3.8 g of a white solid product.What’s the word equation for this reaction.

Answer 7

Magnesium + oxygen = magnesium oxide

Question 8

Moses burns 2.4 g of Magnesium ribbon. He obtains 3.8 g of a white solid for that. Where does the increase in mass during this reaction come from?

Answer 8

Oxygen

Question 9

Magnesium is a metal. Name one of its properties

Answer 9

Shiny, ductile, malleable, conductors of electric

Question 10

What two Changes of state to take place during distillation?

Answer 10

First change is : The colour

The second change : liquid to gas evaporation