Give Two Examples for Each of the Following: Metalloids

एका वाक्यात उत्तर

Antimony, silicon, boron.

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पाठ 3: Elements, Compounds and Mixtures - Exercise 3 (A) [पृष्ठ २४]

पाठ 3 Elements, Compounds and Mixtures
Exercise 3 (A) | Q 2.3 | पृष्ठ २४

Write true or false

All pure substances have characteristic melting and boiling points.

Name: a non-metal which is lustrous

Give two examples of non-metals.

Tick (√) the correct alternative from the choice given for the following statement.
Gold is used to make jewellery because

Classify substances into pure and impure substances in the form of a chart or tabulation.

Explain the difference between Metals and non-metals.

Select the correct answer from A, B, C, D & E for the statement given below :

A noble gas.

Match the following:

Name the constituents of water.

Name the two elements which are derived from the country.