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How do we know that heat is transferred from the sun to earth by radiations?
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What is the most stable monatomic ion formed from nitrogen
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What is the percentage of hydrogen in nitrogen trihydride
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Chemistry, 22.06.2019 12:00
Which of the following is an example of physical change not a chemical change? a) a log gives off heat and light as it burns. b) a tree stores energy from the sun in its fruit. c) a penny lost in the grass slowly changes color. d) a water pipe freezes and cracks on a cold night.
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Chemistry, 22.06.2019 12:00
Explain what happens at the saturation point when adding salt to water at room temperature.
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How do we know that heat is transferred from the sun to earth by radiations?...
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