Advertisements
Advertisements
Question
Write the chemical formula of soda ash?
Solution
The chemical formula of soda ash is Na2 CO3 Its chemical name is sodium carbonate.
APPEARS IN
RELATED QUESTIONS
Dry HCl gas does not change the colour of dry blue litmus paper. Why?
What ions are present in the solutions of following substances? (write the symbols only)
Hydrochloric acid
Write the chemical formula of sodium carbonate decahydrate.
State one use of bleaching powder (other than bleaching).
Answer the following question:
What is the universal indicator? Does Mg (OH)2 react with sodium hydroxide? If not, why?
A solution of NaCl
(i) will turn red litmus blue
(ii) will turn pH paper green
(iii) will turn blue litmus red
(iv) will not affect litmus
Common salt besides being used in kitchen can also be used as the raw material for making
- washing soda
- bleaching powder
- baking soda
- slaked lime
To protect tooth decay, we are advised to brush our teeth regularly. The nature of the tooth paste commonly used is
In an attempt to demonstrate electrical conductivity through an electrolyte, the apparatus setup. Which among the following statement(s) is(are) correct?
- Bulb will not glow because electrolyte is not acidic
- Bulb will glow because NaOH is a strong base and furnishes ions for conduction.
- Bulb will not glow because circuit is incomplete
- Bulb will not glow because it depends upon the type of electrolytic solution
Which of the following statements is true for acids?