Metals

Which of the following is true of all metals?

• They react with acids to form Hydrogen

• They are denser than water

• They conduct electricity

• They're silver in colour.

The property of metals by which it can be drawn into wires is

• Malleability

• Sonority

• Lustrous

• Ductility

Metals are good conductor of

• Only heat

• Only electricity

• Heat and electricity both

• None of the above

What does "malleable" mean?

• Can be made into a shape.

• Easily break

• Can be pulled into wire

• Shiny

Tags

NGSS.MS-PS1-4

Calcium

• Metal

• Non-metal

Metals are generally hard. Which of these metals is an exception and is soft and can be cut with a knife?

• Iron

• Gold

• Sodium

• Magnesium

Which of the following is found in liquid state room temperature?

• Mercury

• Aluminum

• Sodium

• Silver

Which of the following properties of copper is not responsible for making it suitable for making electric wires?

• Its color

• It is solid

• It is a good conductor of electricity

• Its ductility

Which gas is produced when metals react with acids?

• Nitrogen

• Ozone

• Carbon Dioxide

• Hydrogen

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

_____________ solution is formed when a piece of iron is put in copper sulphate solution?

• Copper carbonate

• Iron oxide

• Iron sulphate

• None of these

Tags

NGSS.MS-PS1-2