Question
Identify, which of the following is an alloy?
- Aluminium
- Brass
- Air
- Sodium chloride
Hint:
Alloys are made up of metals in proportions.
The correct answer is: Brass
- Brass is an alloy made up of copper and zinc.
- Aluminium is a metal.
- Air is made up of gases.
- Sodium chloride is common salt.
Related Questions to study
Puzzle
ACROSS
3. Gradual “eating away” of a metal
DOWN
1. Mixture of two or more metals and non-metals
2. Durable material made of copper and tin
4. Alloy of iron and carbon
Puzzle
ACROSS
3. Gradual “eating away” of a metal
DOWN
1. Mixture of two or more metals and non-metals
2. Durable material made of copper and tin
4. Alloy of iron and carbon
Copper is added to silver to
Copper is added to silver to
Sodium metal must be stored under oil to keep it from
Sodium metal must be stored under oil to keep it from
Alloy is a mixture of two or more metals and non-metals.
Alloy is a mixture of two or more metals and non-metals.
Corrosion is the gradual __________of a metal because it reacts __________ to form a compound that weakens it.
Corrosion is the gradual __________of a metal because it reacts __________ to form a compound that weakens it.
The Bronze Age spear point is made of
The Bronze Age spear point is made of
What happens when iron and oxygen combine to form rust?
What happens when iron and oxygen combine to form rust?
The copper alloys are
The copper alloys are
Brass is made up of
Brass is made up of
Which one will have more strength and durability?
Which one will have more strength and durability?
Pick the odd one out.
Pick the odd one out.
Steel is an alloy of
Steel is an alloy of
Match the following:
| a. Iron oxide | 1. Silver and copper |
| b. Sterling silver | 2. Rust |
| c. Steel | 3. Copper and tin |
| d. Bronze | 4. Iron and carbon |
Match the following:
| a. Iron oxide | 1. Silver and copper |
| b. Sterling silver | 2. Rust |
| c. Steel | 3. Copper and tin |
| d. Bronze | 4. Iron and carbon |
A compound results from the chemical combination of
| A – Two or more atoms only |
| B – Two or more non-metals only |
| C – Two or more metals only |
| D – Two or more atoms and non-metals |
A compound results from the chemical combination of
| A – Two or more atoms only |
| B – Two or more non-metals only |
| C – Two or more metals only |
| D – Two or more atoms and non-metals |
