True or false

Question 1

An anion is a positive charged ion

Answer 1

F

Question 2

The products for an acid and metal reaction are salt and hydrogen gas

Answer 2

T

Question 3

Carbon released as a soot or smoke is an indiacation that a combustion reaction is incomplete

Answer 3

T

Question 4

One property of an acid solution is that it is bitter to the taste

Answer 4

F

Question 5

Acids are also known as alkali solutions

Answer 5

F

Question 6

Combustion

Answer 6

The chemical reaction where a hydo carbon reacts with oxygen

Question 7

Complete combustion

Answer 7

During complete combustion carbon and hydrogen combine with oxygen (O2) to produce carbon dioxide (CO2) and water (H2O).

Question 8

Incomplete combustion

Answer 8

During incomplete combustion there is a limited oxygen supply so when hydro carbon reacts with oxygen it produces soot or carbon monoxide (CO).

Question 9

Alkali

Answer 9

bases that dissolves in water

Question 10

eg of complete combustion

Answer 10

Burning candle wax

Question 11

eg of incomplete combustion

Answer 11

Burning paper Burning wood,

Question 12

Acid+metal

Answer 12

When acid reacts with a metal, the products are a salt and hydrogen gas.

Question 13

Word equation for an acid-metal chemical reaction is

Answer 13

Acid+metal= salt+hydrogen