Questions
Which of the following will have a lustrous appearance?
- Coal
- Wood
- Zinc
- Sulphur
- Wax
Which is the hardest substance known?
- Diamond
- Iron
- Gold
- Silver
- Platinum
Which of the following is a translucent object?
- Coal
- Wood
- Muslin cloth
- Sulphur
- Wax
Which of the following materials can be drawn into wires?
Iron, gold, copper
- Only iron
- Only copper
- Only gold
- Iron and copper
- All of the above
Which of the following is a non-volatile compound?
- Acetone
- Benzene
- Chloroform
- Glycerol
- Ethanol
Which of the following cannot be used for making thin sheets?
- Iron
- Carbon
- Copper
- Gold
- Silver
The density of heavy materials is
- high
- low
- very low
- zero
- infinite
Which of the following is GENERALLY not a property of metals?
- Malleability
- Ductility
- Lustrous
- Hardness
- Volatility
Which of the following does not dissolve in water?
- Lime juice
- Sand
- Vinegar
- Acetic acid
- Soda lime
Which of the following metals does not possess the property of magnetism?
- Iron
- Nickel
- Cobalt
- Silver
- Manganese
All man-made materials are essentially
- non-living
- brittle
- Malleable
- Ductile
- Lustrous
Ice floats on water because its density is _____________.
- higher than water
- much higher than water
- lower than water
- equal to water
- zero
Which of the following pairs is incorrect?
- Iron - Ductile
- Copper - Malleable
- Glass - Brittle
- Sulphur - Lustrous
- Iron - Magnetic
Which of the following always float(s) on the surface of water?
- Only wax
- Only oil
- Only ice
- All wax, ice and oil
- Only ice and oil
Which of the following is a man-made material?
- Salt
- Ceramic
- Clay
- Sand
- Coal