SSC
CHEMISTRY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Achemical equation shows how the combination of elementsand compounds can create different products. According to the law of conservation of matter, which of the followingis true?
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Thereare no more atoms remaining at the end of the chemical reaction
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Thechemical reaction can only produce compounds, not individual elements
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Thenumber of atoms for each element remains the same throughout the chemicalreaction.
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Thenumber of atoms for each element must increase in order for a chemical reactionto take place.
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Explanation:
Detailed explanation-1: -One of Lavoisier’s experiments entailed placing a burning candle inside a sealed glass jar. As the wick burned down and the candle melted, the weight of the jar and its contents remained the same, thereby proving his pioneering theory.
Detailed explanation-2: -Answer and Explanation: Chemical equations demonstrate the law of conservation of mass because each chemical equation must be balanced so that the number of atoms of each element on the reactant side must be equal to the number of atoms of each element on the product side.
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