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Question Detail
pH of water is
- 5
- 6
- 7
- 8
Answer: Option C
1. Petroleum is found in ?
- Marshy land
- Metamorphic rocks
- Igneous rock
- Sedimentary rocks
Answer: Option D
2. Which gas is filled in refrigerators ?
- Chlorofluorocarbon
- Acetylene
- Methane
- Butane
Answer: Option A
3. Air is a
- compound
- colloid
- element
- mixture
Answer: Option D
4. Acid rain is due to air pollution by ?
- Carbon dioxide
- Carbon monoxide
- Methane
- Nitrous oxide and Sulphur dioxide
Answer: Option D
5. Which is also called Stranger Gas ?
- Xenon
- Neon
- Argon
- Nitrous oxide
Answer: Option A
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