Ela Chowdary Solutions for Chapter: Elements, Compounds and Mixtures, Exercise 4: EVALUATION

Give one word for the following: 

chemical name of common salt
 

Give one word for the following:

an element present in chlorophyll of plants
 

Give one word for the following: 

a mixture of platelets, red blood corpuscles, white blood corpuscles and plasma

Give two examples each of miscible liquids and immiscible liquids.

How are the symbols of elements derived?

Define mixture. Explain different types of mixtures.
 

Differentiate between mixtures and compounds.

Substance $\text{'}\mathrm{A}\text{'}$ on heating breaks into two substances $\text{'}\mathrm{B}\text{'}$ and $\text{'}\mathrm{C}\text{'}$. Is $\mathrm{A}$ an element or a compound? Give reasons.