Which of the following is a substance?
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✅ Correct answer: D. Graphite
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More Everyday Science MCQs
Chronometer is invented by___?
✅ D. John Harrison
Geiger-Muller counter is used to detect_____?
✅ B. Protons
Quartz crystal in quartz watches work on the principle called?
✅ D. Piezo-electric effect
Which gas was discovered on the sun about 151 years ago during total solar eclipse?
✅ A. Helium
Which element plants exhale at night?
✅ A. Carbondoxide
Barnacles growing on the back of whale is an example for ______?
✅ D. commensalism
What do you understand by disease “Insomnia”?
✅ D. Inability to sleep
Which Gas is included in Fry Chips Packets for safety?
✅ B. Nitrogen gas
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