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Which of the following is a combination reaction?
  • a)
    2 Pb(NO3)2 → 2 PbO + 4 NO2 + O2
  • b)
    2 AgCl → 2 Ag + Cl2
  • c)
    CaCO3→ CaO + CO2
  • d)
    C + O2 → CO2
Correct answer is option 'D'. Can you explain this answer?

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Answers

Ashuvi Shukla
Oct 12, 2020
Related Which of the following is a combination reaction?a)2 Pb(NO3)2→ 2 PbO + 4 NO2+ O2b)2 AgCl → 2 Ag + Cl2c)CaCO3→ CaO + CO2d)C + O2→ CO2Correct answer is option 'D'. Can you explain this answer?
Carbon +oxygen -----> carbon-dioxide.... Is a combination reaction bcz here two reactants are combine to give a single product....

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Sushil Kumar
Feb 24, 2022
A reaction in which two or more reactants combine together to form a single product.
Example : C + O2 → CO2

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Pranjal Sharma
Oct 12, 2020
Related Which of the following is a combination reaction?a)2 Pb(NO3)2→ 2 PbO + 4 NO2+ O2b)2 AgCl → 2 Ag + Cl2c)CaCO3→ CaO + CO2d)C + O2→ CO2Correct answer is option 'D'. Can you explain this answer?
D

Golu
Jul 24, 2018
C( carbon) coal + o2 (oxygen) from air is combination = co2 (g) carbon dioxide is combination reaction answer is (d) right

Mohammed Mubashir
Jul 24, 2018
Combination reaction is a chemical reaction in which two or more substances combine to form a single substance. Here C (carbon) and O2 (oxygen) combine to form CO2 (carbon dioxide).

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Which of the following is a combination reaction?a)2 Pb(NO3)2→ 2 PbO + 4 NO2+ O2b)2 AgCl → 2 Ag + Cl2c)CaCO3→ CaO + CO2d)C + O2→ CO2Correct answer is option 'D'. Can you explain this answer? for Class 10 2022 is part of Class 10 preparation. The Question and answers have been prepared according to the Class 10 exam syllabus. Information about Which of the following is a combination reaction?a)2 Pb(NO3)2→ 2 PbO + 4 NO2+ O2b)2 AgCl → 2 Ag + Cl2c)CaCO3→ CaO + CO2d)C + O2→ CO2Correct answer is option 'D'. Can you explain this answer? covers all topics & solutions for Class 10 2022 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which of the following is a combination reaction?a)2 Pb(NO3)2→ 2 PbO + 4 NO2+ O2b)2 AgCl → 2 Ag + Cl2c)CaCO3→ CaO + CO2d)C + O2→ CO2Correct answer is option 'D'. Can you explain this answer?.
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Carbon +oxygen -----> carbon-dioxide.... Is a combination reaction bcz here two reactants are combine to give a single product....