Advertisements
Advertisements
प्रश्न
When _______________ is passed through fresh lime water, it turns milky.
पर्याय
H2
CO2
CO
SO2
Advertisements
उत्तर
When CO2 is passed through fresh lime water, it turns milky.
APPEARS IN
संबंधित प्रश्न
How is the concentration of hydroxide ions (OH−) affected when excess base is dissolved in a solution of sodium hydroxide?
A solution reacts with crushed egg-shells to give a gas that turns lime-water milky. The solution contains ______.
10 mL of a solution of NaOH is found to be completely neutralised by 8 mL of a given solution of HCl. If we take 20 mL of the same solution of NaOH, the amount of HCl solution (the same solution as before) required to neutralise it will be:
Write a word equation and then a balanced equation for the reaction taking place when:
Dilute sulphuric acid reacts with zinc granules.
Write a word equation and then a balanced equation for the reaction taking place when:
Dilute sulphuric acid reacts with aluminium powder.
The litmus paper or the litmus solution is obtained from ________ plant
(A) Moss
(B) Lichen
(C) Rose
(D) Hibiscus
Complete and balance the following chemical equation:
\[\ce{NaHCO3_{(s)} + HCl_{(aq)} ->}\]
What happens when an acid reacts with a metal carbonate? Explain with the help of an example. Write chemical equation of the reaction involved.
Complete and balance the following chemical equation:
\[\ce{Ca(OH)2 + Cl2 ->}\]
What happens when a solution of sodium hydrogencarbonate is heated? Write equation of the reaction involved.
What is the chemical name of bleaching powder?
Answer the following question:
What is the universal indicator? Does Mg (OH)2 react with sodium hydroxide? If not, why?
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
A salt may be ______.
Solutions of acids conduct ______.
Copper or brass cooking vessels are coated with tin metal. Why?
The taste of acid is ______.
What property do acids and bases have in common? Explain it with an example.
For each of the salt: A, B, C and D, suggest a suitable method of its preparation.
C is a soluble salt of copper.
