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प्रश्न
Vinegar is a solution of
पर्याय
50% – 60% acetic acid in alcohol
5% – 8% acetic acid in alcohol
5% – 8% acetic acid in water
50% – 60% acetic acid in water
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उत्तर
5% – 8% acetic acid in water
Explanation -
5-8% solution of acetic acid in water is called vinegar.
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संबंधित प्रश्न
Fill in the blank.
The name ‘carbon’ is derived from the Latin word...........
Choose the correct alternative.
Carbon forms innumerable compounds because
Fill in the blank
...............is used in making black shoe polish.
Give two uses for the following:
wood charcoal
Give reason for the following:
Soda acid and foam types of fire extinguisher are not used for extinguishing electrical fires.
What are hydrocarbons ? Name the two different forms of hydrocarbons.
Write the name and the chemical formula of the simplest alkene.
Name of the following compounds :
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State in brief the transformation of vegetable matter to different types of coal varying in carbon content.
Carbon dioxide occurs both in the free state and in the combined state.
State three methods how carbon dioxide is added to the atmosphere.
State how you would convert carbon dioxide to a metallic carbonate using a basic oxide e.g. sodium oxide. [Give a balanced equation]
Select the appropeiate option of the following statement:
A nitrogenous fertilizer obtained from carbon dioxide.
Give a balanced equation for the following conversion: [In one or two steps]
A metallic oxide to calcium carbonate.
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Both CO2 & SO2 turn lime water milky. Moist potassium permanganate paper, helps in distinguishing the two gases.
Match the following.
| 1. | Alkyne | Bucky Ball |
| 2. | Andre Geim | Oxidation |
| 3. | C60 | Graphene |
| 4. | Thermocol | Triple bond |
| 5. | Combution | Polystyrene |
Carbon exists in the atmosphere in the form of ______.
Elemental carbon undergoes ______ reaction at room temperature.
______ is the main constituent of coal.
Cigarette smoking is a source of ______.
