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Home/ Questions/Q 180004
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Anu Joshi
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Anu Joshi
Asked: December 16, 20212021-12-16T06:51:01+00:00 2021-12-16T06:51:01+00:00In: Class 10 Science

A student while walking on the road observed that a cloud of black smoke belched out from the exhaust stack of moving trucks on the road. Choose the correct reason for the production of black smoke:

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Poll Results

71.15%[A] Limited supply of real leads to incomplete combustion of fuel. ( 37 voters )
9.62%[B] Rich supply of air leads to complete combustion of fuel ( 5 voters )
3.85%[C] Rich supply of air leads to a combination reaction ( 2 voters )
15.38%[D] Limited supply of air leads to complete combustion of fuel ( 8 voters )
Based On 52 Votes

Participate in Poll, Choose Your Answer.

The limited supply of air leads to incomplete combustion of fuel, which in turn leads to the production of black smoke.

class 10 science mcq solutionsclass 10th science cbsc sample paper
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    1. Ratan Rai
      2021-12-16T08:43:01+00:00Added an answer on December 16, 2021 at 8:43 am

      [A] Limited supply of real leads to incomplete combustion of fuel.

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