Metals and non-metals in oxygen

Metals and non-metals in oxygen

9i

Multiple Choice

Sodium is kept in the oil in Lab .

• because it is highly reactive

• because its really soft

Multiple Select

The metal oxides which dissolve in water are called

• Alkali

• Acid solution

Multiple Choice

Magnesium reacts with oxygen to make

• magnesium oxide / basic in nature

• magnesium oxide / acidic in nature

Multiple Choice

Metals reacts with oxygen to form acidic oxides.

• True

• False

Multiple Choice

What property of metals means that heat and electricity can move easily through?

• luster
• conductor
• malleable
• ductile

Multiple Choice

What is NOT a property of metals

• brittle
• ductile
• malleable
• conductor

Multiple Choice

Which of the following is a metal?

• chlorine
• sodium
• Oxygen

Multiple Choice

Good conductor of heat

• Metal
• Nonmetal

Multiple Choice

Brittle

• Metal
• Nonmetal

Multiple Choice

The list which contains only metals is .......

• aluminium, copper, nitrogen
• iron, oxygen, hydrogen
• iron, silver, aluminium
• iron, sulphur, copper

Multiple Choice

Where are the non-metallic elements found in the periodic table?

• In the middle
• In the top rows
• On the left-hand side
• On the right-hand side

Multiple Choice

The approximate number of elements we know about today is .......

• 18
• 48
• 118
• 1018

Multiple Choice

What does ductile mean?

• electricity flows easily
• quacks like a duck
• can be drawn into a wire
• able to bend

Multiple Choice

What does malleable mean?

• able to bend
• will break easily
• can be used for wire
• is shiny

Multiple Choice

Metals are sonorous in nature. What is sonorous?

• Making into powder

• Drawn into wires

• Make sound on beating

• None of these

Multiple Choice

Name the metal which is in liquid state.

• Iron

• Mercury

• Zinc

• Aluminium