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

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

Marble

One Line Answer

Calcium carbonate (Marble) — CaCO₃

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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 4.3 | Page 24

Write true or false

A heterogeneous mixture has a uniform composition throughout the mixture

Give two applications of chromatography.

Give one use of the following substance:
Brass

Indicate whether the following statement is true or false:
Molecules can exist independently.

Tick (√) the correct alternative from the choice given for the following statement

A gaseous non-metal.

Give the name of the radical - OH

Give three differences between elements & compounds with relevant examples.

State why brass is considered as a homogenous mixture while a mixture of iron & sulphur – heterogenous.

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

A diatomic molecule.

How are elements classified?