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प्रश्न
Fill in the blank space by choosing the correct word from the given list.
List: sulphurous, nitric acid, red lead oxide paint, oxygen, phosphoric
To prevent rusting, the underside of the ships is coated with __________________.
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उत्तर
To prevent rusting, the underside of the ships is coated with red lead oxide paint.
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संबंधित प्रश्न
What do you observe when Magnesium is heated and then tested with moist blue and red litmus – paper?
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State two most important conditions for rusting.
Write the balanced chemical equation of the manganese dioxide.
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In the laboratory preparation of oxygen from hydrogen peroxide answer the following:
Draw a neat labelled diagram for the method used in the above preparation.
In the laboratory preparation of oxygen from hydrogen peroxide answer the following:
State the method of collection of the oxygen gas giving reasons.
Give reason for the following:
Combustion and respiration show similarity.
Match the following
| 1. | Burning of meteors | a. | Exosphere |
| 2. | Weather change | b. | Stratosphere |
| 3. | Lowest temperature | c. | Mesosphere |
| 4. | Ozone layer | d. | Troposphere |
