Question
Why is it necessary to use the symbol for the elements?
✓
Answer
Yes it is necessary to write symbols for element because it makes equations easy to write as well as to read and understand. they also saves time and complexity.
e.g
Consider the following chemical reaction
Zinc + Sulphuric acid → Zinc sulphate + Hydrogen gas
This can be written easily using symbols as
$\text{Zn}+\text{H}_2\text{SO}_4\rightarrow\text{ZnSO}_4+\text{H}_2$
e.g
Consider the following chemical reaction
Zinc + Sulphuric acid → Zinc sulphate + Hydrogen gas
This can be written easily using symbols as
$\text{Zn}+\text{H}_2\text{SO}_4\rightarrow\text{ZnSO}_4+\text{H}_2$
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
What is phenomenon through which certain pollutants get accumulated in tissues in increasing concentration along the food chain, called?
The formula of carbonate of a metal M is M2CO3.
- What will be the formula of its iodide?
- What will be the formula of its nitride?
- What will be the formula of its phosphate?
What is the difference between parenchyma and collenchyma?
- Identify the figure.
- Label W, X, Y and Z
- What is chemical composition of material of the figure
- What of the function of X?
If a sprinter runs a distance of 100 metres in 9.83 seconds, calculate his average speed in km/h.
Classify the following as physical or chemical changes:
- Cooking of food.
- Boiling of water.
- Cutting of trees.
- Dissolving salt in water.
- Digestion of food.
- Melting of ice.
A stone is thrown vertically upward with an initial velocity of 40m/ s. Taking g = 10m/ s2, find the maximum height reached by the stone. What is the net displacement and the total distance covered by the stone?
Give four important functions of epithelial tissue. Name one specific place in the body where each function is carried out.
Explain the term ‘amplitude’ of a wave. Draw the diagram of a wave and mark its amplitude on it.
Which of the two, balanced forces or unbalanced forces, can change the shape of an object? Give an example to illustrate your answer.