Science Form 3 Chapter 4 (Reactivity of Metals)

1.

Fill in the Blank

1 min

1 pt

Mineral are solid _____________ or _________________ that are naturally found with certain crystalline structures and chemical composition on the Earth's crust.

2.

Multiple Choice

1 min

1 pt

Calcium carbonate is a combination of:

Calcium, carbon and nitrogen

Calcium, hydrogen and nitrogen

Calcium, oxygen and carbon

Calcium, carbon and hydrogen

3.

Multiple Choice

1 min

1 pt

Reactivity of metal towards oxygen increases when going down the reactivity series of metal diagram.

True

False

4.

Multiple Choice

1 min

1 pt

The most reactive metal in the reactivity series of metals is ______________.

Calcium

Potassium

Magnesium

Aluminium

5.

Multiple Choice

1 min

1 pt

In a vigorous reaction between a more reactive metal such as magnesium and oxygen, a bright flame is observed

True

False

6.

Multiple Choice

1 min

1 pt

In a less vigorous reaction between a less reactive metal such as iron and oxygen, only a glow or slow change in colour is observed

True

False

7.

Multiple Choice

1 min

1 pt

Choose the correct sequence.

.............. , ............ , .........

----------------------------------->

Reactivity towards oxygen increases

Silver , Copper , Magnesium

Iron , Lead , Mercury

Magnesium , Aluminium , Calcium

Iron , Carbon , Lead

8.

Multiple Choice

1 min

1 pt

Magnesium + oxygen ----------> X

What is X ?

Magnesium oxide

Magnesium dioxide

Magnesium trioxide

Magnesium(IV) oxide

9.

Multiple Select

1 min

1 pt

What are the two non-metal elements that are included in the reactivity series of metals? (Hint: Choose more than one answer).

Calcium

Carbon

Sodium

Hydrogen

10.

Multiple Choice

1 min

1 pt

Write the word equation between metal oxide and carbon.

Metal oxide + Carbon $\overrightarrow{ }$ Metal + Carbon dioxide

Metal oxide + Carbon $\overrightarrow{ }$ Metal oxide

Metal oxide + Carbon $\overrightarrow{ }$ Metal + Water + Carbon dioxide

Metal oxide + Carbon $\overrightarrow{ }$ Metal oxide + Carbon dioxide

11.

Multiple Choice

1 min

1 pt

If carbon can remove oxygen from a metal oxide, it means carbon is ___________ reactive than the metal.

more

less

12.

Multiple Choice

1 min

1 pt

Write the word equation between metal oxide and hydrogen.

Metal oxide + Hydrogen $\overrightarrow{ }$ Metal + Water

Metal oxide + Hydrogen $\overrightarrow{ }$ Metal hydroxide

Metal oxide + Hydrogen $\overrightarrow{ }$ Metal + Water + Carbon dioxide

Metal oxide + Hydrogen $\overrightarrow{ }$ Metal oxide + Water

Explore this activity with a free account