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प्रश्न
Fill in the blanks to complete the following paragraph.
The name of the product formed in the reaction of sulphur and ______ is sulphur dioxide gas. When sulphur dioxide is dissolved in ______, sulphurous acid is formed. The sulphurous acid turns ______ litmus paper to ______. Generally oxides of ______ are acidic in nature.
After completing the paragraph, write two questions which you can raise on the basis of this information.
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उत्तर
The name of the product formed in the reaction of sulphur and oxygen is sulphur dioxide gas. When sulphur dioxide is dissolved in water, sulphurous acid is formed. The sulphurous acid turns blue litmus paper to red. Generally oxides of non-metals are acidic in nature.
Questions may be :
- Which gas is formed when sulphur reacts with oxygen?
- What is the nature of oxides of non-metals?
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संबंधित प्रश्न
Very Short Answer Type Question:
Why do we need to group materials? Give one reason.
Very Short Answer Type Question:
Suggest two bases on which we can group objects.
Very Short Answer Type Question:
Select a lustrous material out of the following substances.
Very Short Answer Type Question:
What is common between salt and sand?
Long Answer Type Question:
‘Grouping of objects helps the shopkeeper.’ Justify the statement.
Gold and diamond are the examples of _________ materials.
Sort the given objects as rough or smooth.
| Wet soap | Coir | Feather | Stone |
| ______ | ______ | ______ | ______ |
| Glass ball | Paperboard | Sand paper | Plastic spoon |
| ______ | ______ | ______ | ______ |
When can you say a material is waterproof material?
Sand settles down in the water.
Some of the following statements are incorrect. Find the incorrect statements and correct them.
- The property of metals by virtue of which they can be drawn into wires is called ductility.
- Metals are good conductors of electricity but poor conductor of heat.
- Articles made up of metals produce ringing sound when struck hard.
- Oxides of non-metals and metals are acidic in nature.
- A less reactive metal displaces a more reactive metal from its salt solution in water.
