Give the name of the element present in the following compound: Baking powder

Give the name of the element present in the following compound:

Baking powder

Short Answer

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Chapter 3 Atoms and Molecules
Exercises | Q 5. (c) | Page 36

Write down the name of a compound represented by the following formula:

Al₂(SO₄)₃

Write down the name of a compound represented by the following formula:

KNO₃

Calculate the number of molecules of sulphur (S₈) present in 16 g of solid sulphur.

What do the following denote ?

Calculate the mass of 3.011 × 1024 atoms of carbon.

Give one example of a polyatomic molecule.

Give a reason why –

Helium is considered monoatomic, but hydrogen a diatomic molecule.

Which of the following is a short and scientific way of representing one molecule of an element or compound?

Define: Atomicity.

Derive the relationship between Relative molecular mass and Vapour density.