Write the Chemical Name of the Following and Also Give Their Molecular Formulae: Vinegar

Write the Chemical Name of the Following and Also Give Their Molecular Formulae:

Vinegar

One Line Answer

Acetic acid (Vinegar) — CH₃COOH

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Chapter 3: Elements, Compounds and Mixtures - Exercise 3 (A) [Page 24]

Chapter 3 Elements, Compounds and Mixtures
Exercise 3 (A) | Q 4.2 | Page 24

Name a soft metal.

Give two examples of the following.

Non-metals which are solids

Define: Formula

What is meant by H₂0 and 3H₂O

Give reason: Graphite is used to make a lead of the pencils.

Tick (√) the correct alternative from the choice given for the following statement.
Sand is a compound of

Write the names of elements from the following symbol:

Define the term ‘compound’. In the compound carbon dioxide – the elements carbon & oxygen are combined in a fixed ratio. Explain.

Differentiate between elements and compounds.

Non-metals are usually poor conductors of heat and electricity. They are non-lustrous, non-sonorous, non-malleable and are coloured.

Name a non-metal other than carbon that shows allotropy.