How often should spark plugs be replaced?

Explanation: Spark plugs should be replaced every 30,000–50,000 km for engine performance.

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Q: What was the S&P 500 percentage change on April 10, 2025?
Ans: -2.1%

Q: Hydrophilic molecules generally avoid what other kinds of molecules?
Ans: hydrophobic

Q: What makes marginal lands unsuitable for farming?
Ans: drought

Q: The Chief Minister of which state launched Mission Basundhara 3.0?
Ans: Assam

Q: What was the purpose of the Dandi Salt March?
Ans: Protest British salt tax

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Ans: endocrine system

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Ans: Manjishtha

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Ans: chitin

Q: What's the name for an organic compound in which halogen atoms are substituted for hydrogen in a hydrocarbon?
Ans: alkyl halide

Q: Which scale measures acids and bases and has 7 as a neutral value?
Ans: ph

Q: In which state did Bru voters vote for the first time in the Lok Sabha elections?
Ans: Tripura