Property of Matter

What are the three common states of matter?

• Solid, Water, Air

• Solid, Liquid, Gas

• Liquid, Gas, Plasma

• Gas, Liquid, Plasma

What is density?

• The weight of an object

• The volume of an object

• The mass per unit volume of an object

• The size of an object

Which of the following is a physical change?

• Oxidation of iron

• Burning of wood

• Melting of ice

• Baking a cake

What is the boiling point of water?

• 0°C

• 50°C

• 100°C

• 150°C

Which of the following is a good conductor of electricity?

• Plastic

• Rubber

• Glass

• Copper

What is flammability?

• The ability of a substance to dissolve in water

• The ability of a substance to react with oxygen

• The ability of a substance to oxidize

• The ability of a substance to burn in the presence of oxygen

What is the pH value of a base?

• Less than 7

• Exactly 7

• More than 7

• It depends on the substance

What happens during condensation?

• The gas turns into a liquid

• The liquid turns into gas

• The solid turns into gas

• The liquid turns into solid

In which state of matter are the particles far apart and move freely?

• Solid

• Liquid

• Gas

• Plasma

What does the law of conservation of matter state?

• Matter can be created or destroyed

• Matter cannot be created or destroyed

• Matter can disappear

• Matter increases in closed systems