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प्रश्न
The preparation of Lead sulphate from Lead carbonate is a two-step process. (Lead sulphate cannot be prepared by adding dilute Sulphuric acid to Lead carbonate.)
Write the equation for the reaction that will take place when this first step is carried out.
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उत्तर
PbCO3 (s) + 2HNO3(dil) → Pb(NO3)2 (aq) + H2O (l) + CO2 ↑
संबंधित प्रश्न
Nitric acid turns red litmus blue.
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.
- Name the natural indicator present in curry stain.
- Explain the changes in colour of this indicator which take place during washing and rinsing the shirt.
- What is the nature of soap (acidic/basic) as shown by the indicator present in curry stain?
What effect does the concentration of \[\ce{H+_{( aq)}}\] ions have on the nature of a solution?
Name a sodium compound which is a constituent of many dry soap powders.
Name an acid used to flavor and preserve food.
Give one example in the following case:
A hydrogen containing compound which is not an acid.
Acids are ________ in taste.
Which of the following is an acid-base indicator?
Why does blue color copper sulphate become white on heating?
Select an oxide which dissolves in water forming an acid.
