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प्रश्न
Write the chemical name from the given formula.
H2SO4
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उत्तर
Sulphuric acid
संबंधित प्रश्न
Which gas is usually liberated when an acid reacts with a metal? How will you test for the presence of this gas?
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?
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Give one example in the following case:
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Choose the correct answer from the options given below:
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