C6 H12 O6 → C2H5OH + CO2 is ………………. chemical reaction.
A) combination
B) decomposition
C) displacement
D) double decomposition
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Strenuous exercise causes A) CO2 consumption B) oxygen debt C) CO2 debt D) more active
(B) oxygen debt
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Identify the kind of respiration with the following end products. i) C2H5OH and CO2
A) i – Alcoholic fermentation, ii – Lactic acid fermentation, iii – Aerobic respiration
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Uma : Mass is neither created nor destroyed during a chemical reaction. Rama : Matter is conserved in a chemical reaction.
A) Uma is correct, Rama is incorrect.
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2PbO + C → 2Pb + CO2 is an example of A) Oxidation reaction
C) Redox reaction
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Write the chemical reaction given by Van Niel in case of bacteria that use H2S and CO2 to synthesize carbohydrates. Write his postulate.
Chemical reaction given by Van Niel: 6CO2 + 12H2S → C6H12O6 + 6H2O + 12S ↓ Van Niel’s postulate: Green plants use water in place of H2S and O2 is evolved in place of...
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Which of the following is not an exothermic reaction? A) C + O2 → CO2
C) N2 + O2 → 2NO
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Assertion (A) : All the chemical equations must be balanced. Reason (R) : Atoms are either created or destroyed in chemical reaction.
C) ‘A’ is correct, but ‘R’ is incorrect.
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A chemical reaction in which oxidation and reduction processes takes place simultaneously is known as ………… reaction.
Correct option is: (A) redox A chemical reaction in which oxidation and reduction processes takes place simultaneously is known as redox reaction
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A chemical reaction in which oxidation and reduction processes takes place simultaneously is known as ………… reaction.
2 Answers
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6CO2 + 6H2O → C6 H12 O6 + 6O2 . This reaction is appreciable, because it gives us
Correct option is C) glucose
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