Chemistry · Question 1231
Which catalyst is used in the Haber process for ammonia manufacture?
- Pt
- Ni
- Cu
- Fe
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Correct answer: D
Fe
The Haber process uses an iron-based catalyst for ammonia synthesis.
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Chemistry · Question 1232
Nitrile reacts with LiAlH₄ to form:
- Amide
- Aldehyde
- Amine
- Carboxylic acid
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Correct answer: C
Amine
Lithium aluminium hydride reduces a nitrile to a primary amine.
English · Question 1233
In “He hurt himself,” what part of speech is “hurt”?
- Noun
- Verb
- Adjective
- Pronoun
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Correct answer: B
Verb
In this sentence, “hurt” expresses the action and functions as the verb.
English · Question 1234
Which word is closest in meaning to “expedite”?
- Hasten
- Delay
- Stop
- Block
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Correct answer: A
Hasten
To expedite something is to make it happen sooner; “hasten” is the closest choice.
English · Question 1235
What type of sentence is “He did not come to school”?
- Interrogative
- Negative
- Affirmative
- Imperative
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Correct answer: B
Negative
The word “not” makes the declarative sentence negative.
Chemistry · Question 1236
How is boron commonly classified?
- Metal
- ransition element
- Non-meta
- Metalloid
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Correct answer: D
Metalloid
Boron is commonly classified as a metalloid.
Physics · Question 1237
In a balanced Wheatstone bridge, what is the current through the galvanometer?
- Zero
- Minimum
- Infinite
- Maximum
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Correct answer: A
Zero
At balance, the two galvanometer terminals are at equal potential, so no current flows through it.
Physics · Question 1238
If kinetic energy K = ½mv² and momentum p = mv, what is the ratio K:p²?
- 1 : 2
- 1 : 2m
- 1 : 2v
- 1 : m
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Correct answer: B
1 : 2m
Since K = p²/(2m), the ratio K:p² is 1:2m.
English · Question 1239
Who wrote Paradise Lost?
- Charles Dickens
- John Milton
- William Wordsworth
- Shakespeare
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Correct answer: B
John Milton
John Milton wrote the epic poem Paradise Lost.
English · Question 1240
Which group contains only parts of speech?
- Noun, Verb, Adjective, Adverb
- Atom, Molecule, Element, Compound
- Circle, Square, Triangle, Rectangle
- Past, Present, Future
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Correct answer: A
Noun, Verb, Adjective, Adverb
Nouns, verbs, adjectives and adverbs are all parts of speech.