Advertisements
Advertisements
Question
Write balanced equation to satisfy the following statement:
\[\ce{Acid + sulphide -> Salt + Hydrogen sulphide}\]
Advertisements
Solution 1
\[\ce{ZnS + 2HCl -> ZnCl2 + H2S}\]
Solution 2
\[\ce{\underset{(Pot.sulphide)}{K2S}+ 2HCl -> 2KCl + H2S}\]
APPEARS IN
RELATED QUESTIONS
A solution turns red litmus blue. Its pH is likely to be ______.
What are organic acids?
A white shirt has a yellow stain of curry. When soap is rubbed on this shirt during washing, the yellow stain turns reddish-brown. On rinsing the shirt with plenty of water, the reddish-brown stain turns yellow again.
What is the nature of soap (acidic/basic) as shown by the indicator present in curry stain?
How is the neutralisation of a carbonate with an acid different from the neutralisation of an oxide or a hydroxide?
Which gas is usually liberated when an acid reacts with a metal? Illustrate with an example. How will you test for the presence of this gas?
Give four examples of preparation of acids by synthesis.
Match the chemical substances given in Column (A) with their appropriate application given in Column (B)
| Column (A) |
Column (B) |
| (A) Bleaching powder | (i) Preparation of glass |
| (B) Baking soda | (ii) Production of H2 and Cl2 |
| (C) Washing Soda | (iii) Decolourisation |
| (D) Sodium chloride | (iv) Antacid |
Which of the following set of substances contain acids?
Complete the following equation.
CaO + H2SO4 → ______ + H2O
Which is the strongest acid in the following?
