Metals

Metals melt at ______ temperatures.

Tags

NGSS.MS-PS1-4

What does "malleable" mean?

• Can be made into a shape.

• Easily break

• Can be pulled into wire

• Shiny

Tags

NGSS.MS-PS1-2

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

_____________ 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

Which of these metals does not react with dilute hydrochloric acid even on heating but reacts with sulphuric acid?

• Copper

• Iron

• Zinc

• Aluminum

Tags

NGSS.MS-PS1-2

The green coating acquired on copper when kept in air for a long time consists of copper hydroxide and ___________.

(WRITE ANSWER IN BLOCK LETTERS)

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which is the strongest metal on earth? (BONUS)

• Diamond

• Titanium

• Tungsten

• Calcium