Chemical Engineering
2021 · Paper 1
Take it one question at a time. Try an answer, then check your understanding.
Complete GATE CH 2021 Paper 1 overview, original pages and practice · Timed previous-paper practice
Questions 34–36 of 65. Imported answers require review unless explicitly marked reviewed.
Question 24
Open questionCHNAT1 markNeeds review
The following homogeneous liquid phase reactions are at equilibrium.

The values of rate constants are given by:
,
,
,
,
.The value of rate constant
is __________
(round off to 1 decimal place).Log in to check the answer
You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 25
Open questionCHNAT1 markNeeds review
A company invests in a recovery unit to separate valuable metals from effluent streams. The total initial capital investment of this unit is Rs. 10 lakhs. The recovered metals are worth Rs. 4 lakhs per year.
If the annual return on this investment is 15%, the annual operating costs should be ______ lakhs of rupees (correct to 1 decimal place).
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You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 26
Open questionCHMCQ2 marksNeeds review
Let
be a square matrix of size
(
). The elements of
are given by
The determinant of
isYour answerChoose one option.
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