Acid Reaction Lab: Metals, Carbonates and Neutralisation

Section A: Acids with Metals and Carbonates

Question 1mcq

Acid reacting with an active metal usually produces:

A.Nitrogen gas

B.Hydrogen gas

C.Chlorine gas

D.Oxygen gas

Question 2mcq

Hydrogen gas burns with a:

A.Pop sound

B.Blue precipitate

C.Vinegar smell

D.Milky colour

Question 3mcq

Acid + metal carbonate forms:

A.Metal and oxygen

B.Salt, water and carbon dioxide

C.Salt and hydrogen

D.Base and hydrogen

Question 4mcq

NaHCO_3

reacts with dilute

HCl

to produce:

A.

NH_3

B.

H_2

C.

CO_2

D.

O_2

Question 5mcq

CO_2

turns lime water:

A.Red

B.Blue

C.Milky

D.Black

Question 6mcq

Which equation is balanced?

A.

Zn + 2HCl \rightarrow ZnCl_2 + H_2

B.

ZnCl_2 + H_2 \rightarrow Zn + HCl

C.

Zn + HCl \rightarrow ZnCl_2 + H_2

D.

Zn + 2HCl \rightarrow ZnCl + H_2

Section B: Neutralisation and Equations

Question 7mcq

Acid + base generally gives:

A.Salt + hydrogen

B.Carbonate + oxygen

C.Metal + water

D.Salt + water

Question 8mcq

Which equation represents neutralisation?

A.

CaCO_3 \rightarrow CaO + CO_2

B.

2H_2 + O_2 \rightarrow 2H_2O

C.

HCl + NaOH \rightarrow NaCl + H_2O

D.

Zn + HCl \rightarrow ZnCl_2 + H_2

Question 9mcq

Complete:

H_2SO_4 + 2NaOH \rightarrow

A.

Na_2SO_4 + 2H_2O

B.

NaSO_4 + H_2

C.

NaH + SO_4

D.

Na_2O + SO_2

Question 10mcq

Which balanced equation shows acid reacting with a metal carbonate?

A.

CaCO_3 + HCl \rightarrow CaCl + H_2

B.

CaCO_3 + 2HCl \rightarrow CaCl_2 + H_2O + CO_2

C.

HCl + NaOH \rightarrow NaCl + H_2O

D.

CaCO_3 \rightarrow CaO + CO_2

Question 11mcq

Antacids help acidity because:

A.A base can neutralise excess acid

B.Water produces more acid

C.Salt removes all ions

D.Acids make acids stronger

Question 12mcq

Which salt forms when

HCl

reacts with

NaOH

?

A.

NaHCO_3

B.

CaCl_2

C.

Na_2SO_4

D.

NaCl