Join the Most Relevant JEE Main 2025 Test Series & get 99+ percentile! Join Now
Search any question & find its solution
Question: Answered & Verified by Expert
$n g$ of substance $X$ reacts with $m g$ of substance $Y$ to form $p g$ of substance $R$ and $q g$ of substance $S$. This reaction can be represented as, $X+Y=R+S$. The relation which can be established in the amounts of the reactants and the products will be
ChemistrySome Basic Concepts of ChemistryJEE Main
Options:
  • A $n-m=p-q$
  • B $n+m=p+q$
  • C $n=m$
  • D $p=q$
Solution:
2469 Upvotes Verified Answer
The correct answer is: $n+m=p+q$
$\begin{aligned} & n+m=p+q \\ & X_{n g}+Y_{m g} \rightleftharpoons R_{p g}+S_{\ell g}\end{aligned}$
$n+m=p+q$ by law of conservation of mass

Looking for more such questions to practice?

Download the MARKS App - The ultimate prep app for IIT JEE & NEET with chapter-wise PYQs, revision notes, formula sheets, custom tests & much more.