State of the following formula of a compound is incorrect. Incorrectly write the correct formula. NaZnO2

State of the following formula of a compound is incorrect. Incorrectly write the correct formula.

NaZnO₂

एका वाक्यात उत्तर

NaZnO₂

Correct formula – Na₂ZnO₂

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पाठ 1: The Language of Chemistry - For Additional High Order Thinking Questions [पृष्ठ १८]

पाठ 1 The Language of Chemistry
For Additional High Order Thinking Questions | Q 3. 2. B. | पृष्ठ १८

Match the following:

Column A	Column B
(a) Pb(NO₃)₂	(i) rotten eggs smell
(b) CO₂	(ii) burns with a pop sound
(c) (NH₄)₂Cr₂O₇	(iii) the suffocating smell of sulphur
(d) HCI	(iv) lime water turns milky
(e) NO₂	(v) crackling sound
(f) O₂	(vi) residue swells up
(g) H₂	(vii) brown gas
(i) H₂S	(viii) supports combustion
(j) SO₂	(ix) fumes with NH₃ solution

What is a chemical formula? What is the significance of a formula?give an example to illustrate?

Name the element in the compound and give the formula of the following compound:

Nitric acid

Name the element in the compound and give the formula of the following compound:

Acetic acid

Name the element in the compound and give the formula of the following compound:

Ethane

Name the element in the compound and give the formula of the following compound:

Ethanol