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

एका वाक्यात उत्तर

Calcium carbonate (Marble) — CaCO₃

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पाठ 3: Elements, Compounds and Mixtures - Exercise 3 (A) [पृष्ठ २४]

पाठ 3 Elements, Compounds and Mixtures
Exercise 3 (A) | Q 4.3 | पृष्ठ २४

Differentiate between the following.

Filter Paper and Alum

Give one example for the following types of mixtures :

solid-liquid heterogenous mixture.

Name: an Inert Gas

Give two examples of non-metals.

Find the atomicity of the Following molecule:
Dinitrogen Oxide

Tick (√) the correct alternative from the choice given for the following statement.
Sugar is a compound which consists of the elements

Complete the statement given below by filling in the blank with the correct word.

The basic unit of an element is an __________.

Select the correct answer from the choice given below.
The negatively charged particles in an atom

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

Non-metal conducting electricity :______ :: Metal conducting electricity : Copper