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- 1. Multiple Choice
Which of the following element is ductile ?
Magnesium
Manganese
Sodium
Calcium
- 2. Multiple Choice
Identify the non-metal which exists in a liquid state in room temperature 25∘C.
Aluminium
Mercury
Bromine
Iodine
- 3. Multiple Choice
A reaction in which a more reactive metal replaces a less reactive metal from its salt solution is called a/an ________ reaction.
Combination
Displacement
Double displacement
Addition
- 4. Multiple Choice
Metals, except Al and Zn, react with oxygen to form _______ oxides.
Acidic
Neutral
Amphoteric
Basic
- 5. Multiple Choice
A substance is said to be sonorous if it ______
Conducts Heat
Produces A Ringing Sound When Beaten
Conducts Water Through Metal Pipes
Conducts Electricity
- 6. Multiple Choice
Sodium metal is dipped in which of the following substances for storage?
Vaseline
Petrol
Kerosene
Sulphuric Acid
- 7. Multiple Choice
The property by which metals can be beaten into sheets is known as ___
Ductility
Malleability
Lusture
Sonority
- 8. Multiple Choice
The most reactive metal is ___
Copper
Silver
Potassium
Calcium
- 9. Multiple Choice
Metals are ___
Soft And Brittle
Hard And Solid
Liquid
Generally Liquid
- 10. Multiple Choice
Materials having qualities of both metals and non-metals are _____
Metalloids
Noble Metals
Alloys
None Of These
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