Please select a subject first
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Ammonia is an important fertilizer in agriculture.
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Decaying of vegetables and fruits due to microbes.
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Catalyst inhibits the chemical reaction.
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Match the following
| i. | Quick lime | a. | Calcium hydroxide |
| ii. | Slaked lime | b. | Calcium oxide |
| iii. | Thermolysis | c. | Light |
| iv. | Photochemical | d. | Heat |
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Match the following
| i. | Ammonia | a. | Nickel |
| ii. | Dalda | b. | Fermentation |
| iii. | Alcoholic beverages | c. | Biocatalysts |
| iv. | Yeast | d. | Urea |
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Match the following
| i. | Apples | a. | Oxygen |
| ii. | Fatty acids | b. | Browning |
| iii. | Acid rain | c. | Rancidity |
| iv. | Solid camphor | d. | Air pollution |
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What are the conditions required for a chemical reaction to take place?
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What is brine commonly known as?
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How is chlorine prepared industrially?
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What are catalystic reactions?
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Define the term exothermic and endothermic reactions.
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What happens to the steel benches and tables during the rainy season?
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Explain the process of corrosion and rusting.
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Write a note on catalytic reactions.
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Reason out
The speed of a certain reaction is influenced by the catalyst.
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Reason out
Chlorine is produced by Brine.
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The first scientific theory about atoms was given by J J. Thomson.
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The chemical name of water is ______.
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Acids present in fruits and vegetables are called ______ acids.
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Vinegar is ______ in taste.
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