Symbol of Tungsten element is _____.

Important Questions on Matter and its States

EASY

CTET Paper 2

IMPORTANT

Science and Pedagogy CTET and TETs>Chapter 3 - Matter and its States>Previous Years' Questions>Q 39

If acid burn occurs in the laboratory, then wash with plenty of water and before putting vaseline which of the following first-aids should he perform?

EASY

CTET Paper 2

IMPORTANT

Science and Pedagogy CTET and TETs>Chapter 3 - Matter and its States>Previous Years' Questions>Q 40

Which of the following mixtures of gases are used for welding of metals?

HARD

CTET Paper 2

IMPORTANT

Science and Pedagogy CTET and TETs>Chapter 3 - Matter and its States>Previous Years' Questions>Q 41

When an iron nail is dipped in copper sulphate solution. The colour of copper sulphate solution fades and a brownish layer is deposited over the iron nail. This is an example of _____.

MEDIUM

CTET Paper 2

IMPORTANT

Science and Pedagogy CTET and TETs>Chapter 3 - Matter and its States>Previous Years' Questions>Q 42

Non-metallic oxides _____.

MEDIUM

CTET Paper 2

IMPORTANT

Science and Pedagogy CTET and TETs>Chapter 3 - Matter and its States>Previous Years' Questions>Q 43

The inner surface of food cans are coated with tin and not with zinc because _____.

MEDIUM

CTET Paper 2

IMPORTANT

Science and Pedagogy CTET and TETs>Chapter 3 - Matter and its States>Previous Years' Questions>Q 44

If the pressure over a liquid increases, then its boiling point _____.

MEDIUM

CTET Paper 2

IMPORTANT

Science and Pedagogy CTET and TETs>Chapter 3 - Matter and its States>Previous Years' Questions>Q 47

Metallic oxides are _____ in nature.

EASY

CTET Paper 2

IMPORTANT

Science and Pedagogy CTET and TETs>Chapter 3 - Matter and its States>Previous Years' Questions>Q 48

Select from the following a set of three metals which are found in free state.