Question : In a reaction type of A + B → C + D, one could ensure to be a first-order reaction by:
Option 1: increasing the temperature
Option 2: increasing the concentration of a product
Option 3: increasing the concentration of a reactant
Option 4: adding a catalyst
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Correct Answer: increasing the concentration of a reactant
Solution : The correct option is increasing the concentration of a reactant.
The first-order reaction depends on reactant concentration. Both are directly proportional to each other. Typically, this is achieved by having a large excess of one reactant, making its concentration essentially constant throughout the reaction.
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Question : Select the option that can be used as a one-word substitute for the underlined group of words. Kidney beans were boiled quickly when Nisha added a substance that speeds up a chemical reaction without being consumed by the reaction itself.
Option 1: reactant
Option 2: catalyst
Option 3: enzyme
Option 4: solute
Question : Parts of a sentence are given below in jumbled order. Select the option that arranges the parts in the correct order to form a meaningful sentence.
A. Between renunciation of the social world
B. The first point to note
C. And asceticism
D. Is the intimate link
Option 1: A, C, B, D
Option 2: B, D, A, C
Option 3: A, B, C, D
Option 4: B, C, D, A
Question : Arrange the dynasties of the Delhi Sultanate given below in chronological order:
a. Khalji b.Tughlaq
c. Sayyid d. Slave
Option 1: d, a, c, b
Option 2: a, d, b, c
Option 3: a, b, c, d
Option 4: d, a, b, c
Question : Parts of a sentence are given below in jumbled order. Select the option that arranges the parts in the correct order to form a meaningful sentence. A) about all his B) noise they make C) he constantly complains D) neighbours and the
Option 1: B,A,D,C
Option 2: C,A,D,B
Option 3: B,D,A,C
Option 4: D,B,C,A
Question : Parts of a sentence are given below in jumbled order. Select the option that arranges the parts in the correct order to form a meaningful sentence. A) said that they are B) hear this news C) very sorry to D) Catherine and David
Option 1: C, D, B, A
Option 2: D, A, C, B
Option 3: B, D, C, A
Option 4: A, C, D, B
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