Gold and platinum occur in nature as _____.

Important Questions on Metals and Non-Metals

EASY

8th CBSE

IMPORTANT

New Science Ahead 8>Chapter 4 - Metals and Non-Metals>Exercises>Q A

All metals are ______.

EASY

8th CBSE

IMPORTANT

New Science Ahead 8>Chapter 4 - Metals and Non-Metals>Exercises>Q A

Metals react with oxygen to form ______ oxides.

EASY

8th CBSE

IMPORTANT

New Science Ahead 8>Chapter 4 - Metals and Non-Metals>Exercises>Q A

Which metal reacts with dilute $\mathrm{HCI}$ to liberate hydrogen gas?

EASY

8th CBSE

IMPORTANT

New Science Ahead 8>Chapter 4 - Metals and Non-Metals>Exercises>Q A

Aluminium dipped in ferrous sulphate solution displaces iron from the solution. What can one conclude from this?

EASY

8th CBSE

IMPORTANT

New Science Ahead 8>Chapter 4 - Metals and Non-Metals>Exercises>Q A

Three pins made of copper, aluminium and iron are kept in moist air for several days. Of these, which pin will corrode?

EASY

8th CBSE

IMPORTANT

New Science Ahead 8>Chapter 4 - Metals and Non-Metals>Exercises>Q A

An iron pipe coated with ______ is called a galvanised pipe.

EASY

8th CBSE

IMPORTANT

New Science Ahead 8>Chapter 4 - Metals and Non-Metals>Exercises>Q A

Which non-metal is neither a gas nor a solid at room temperature?

EASY

8th CBSE

IMPORTANT

New Science Ahead 8>Chapter 4 - Metals and Non-Metals>Exercises>Q A

Microchips are made with semiconductors made of ______