Question
When electricity is passed through water, what kind of
chemical reaction occurs?Solution
When electricity is passed through water, a decomposition reaction called electrolysis occurs, splitting water (H₂O) into hydrogen gas (H₂) and oxygen gas (O₂).
The average age of three children is 20 years. If their ages are in the ratio 5:6:9. Find the age of the youngest child.
The average number of books sold by Viren in first 5 months is 3000 and in first 6 months is 3800. If the number of books sold by him in 7th ...
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Amit achieved a score of 28% in an exam but fell short by 42 points to pass. Rahul, on the other hand, secured 41% in the same test and exceeded the pas...
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Average of three consecutive numbers is 91. Find the sum of smallest and largest number.
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