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

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

NaO

एका वाक्यात उत्तर

NaO

Correct formula – Na₂O

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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. I. | पृष्ठ १८

Write down the formulae of magnesium hydroxide.

The atomicities of ozone, sulphur, phosphorus and argon are respectively :

An element Z has a valency of 3. What is the formula of oxide of Z ?

Give the formulae of the compounds formed from the following sets of elements :

Identify the following substance:

An alkaline gas A which gives dense white fumes with hydrogen chloride.

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

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

Acetic acid