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

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

Sand

One Line Answer

Silicon dioxide (Sand) — SiO₂

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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 4.4 | Page 24

Is food that we eat a mixture ?

Give one example for the following types of mixtures :

solid-liquid heterogenous mixture.

Give Two Examples for Each of the Following: Metalloids

Indicate whether the following statement is true or false:
Metals reflect light and are good conductors of electricity

Tick (√) the correct alternative from the choice given for the following statement.
All pure substances have

Tick (√) the correct alternative from the choice given for the following statement.
The most abundant elements in the universe are

Tick (√) the correct alternative from the choice given for the following statement.
The compound used as common salt is

State four differences between – elements, compounds and mixtures with suitable examples.

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

A non-metal that is lustrous.

Elements are made up of______ kinds of atoms.