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Quiz 1: Phrasal Verbs

Complete the sentence with the correct phrasal verb from the list: *brush up on, clam up, cotton on, fob off, knuckle down.*

"After failing the first exam, he decided to ___ and really study for the next one." Answer: knuckle down

Quiz 2: Vocabulary

Which of the following words is a synonym for "Ephemeral"?

a) Eternal b) Transient c) Permanent d) Ubiquitous Answer: b) Transient

Quiz 3: Idioms

What does the idiom "to gild the lily" mean?

a) To make something beautiful. b) To spoil something perfect by adding something unnecessary. c) To be overly generous. d) To hide something unpleasant. Answer: b) To spoil something perfect by adding something unnecessary.

Quiz 4: Grammar - Subjunctive Mood

Correct the following sentence if necessary. If it's already correct, write "Correct."

"I wish I was taller." Answer: I wish I were taller. (The subjunctive "were" is used to express a wish or a condition contrary to fact.)

Quiz 5: Etymology

From what language does the word "schadenfreude" originate?

a) French b) German c) Italian d) Spanish Answer: b) German

Quiz 6: Collocations

Which adjective best collocates with "wind"?

a) Sharp b) Fierce c) Bitter d) Cruel Answer: b) Fierce

Quiz 7: Figures of Speech

Identify the figure of speech used in the following sentence: "The wind whispered secrets through the trees."

a) Metaphor b) Simile c) Personification d) Hyperbole Answer: c) Personification

Quiz 8: Syntax

Which of the following sentences is grammatically correct?

a) Who did you see? b) Whom did you see? Answer: b) Whom did you see? (While "who" is commonly used in informal speech, "whom" is technically correct when it is the object of the verb.)

Quiz 9: Proverbs

Complete the following proverb: "A bird in the hand is worth..." Answer: ...two in the bush.

Quiz 10: Confusable Words

Choose the correct word to complete the sentence:

"The council will ___ new building regulations next week."

a) Adopt b) Adapt Answer: a) Adopt (to formally accept or approve)

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Do you want a quiz on basic organic chemistry?

Put reactions if you want it!

1. What type of reaction is involved when an aldehyde is converted into an alcohol?
• (a) Oxidation
• (b) Reduction
• (c) Hydrolysis
• (d) Dehydration

2. Which carboxylic acid is responsible for the sour taste in vinegar?
• (a) Butanoic acid
• (b) Propanoic acid
• (c) Formic acid
• (d) Acetic acid

3. What is the IUPAC name of formaldehyde?
• (a) Methanal
• (b) Ethanal
• (c) Propanal
• (d) Butanal

4. Which of the following reagents will oxidize an aldehyde to a carboxylic acid?
• (a) NaBH4
• (b) LiAlH4
• (c) KMnO4
• (d) H2/Pd

5. What is the general formula for carboxylic acids?
• (a) R-CHO
• (b) R-CO-R'
• (c) R-COOH
• (d) R-COOR'

6. Which of the following can be formed from the oxidation of a primary alcohol?
• (a) Ketone
• (b) Aldehyde
• (c) Carboxylic Acid
• (d) Both b and c

7. Which compound is commonly known as acetone?
• (a) Ethanol
• (b) Propanone
• (c) Butanone
• (d) Methanone

8. Which of the following is the correct IUPAC name for CH3CH2OH?
• (a) Ethanol
• (b) Methanol
• (c) Propanol
• (d) Butanol

9. Which functional group is present in all alcohols?
• (a) Carboxyl Group
• (b) Carbonyl Group
• (c) Hydroxyl Group
• (d) Ether Group
10. Which of the following is the correct IUPAC name for CH3CH2OCH3?
• (a) Methoxyethane
• (b) Ethoxyethane
• (c) Methoxypropane
• (d) Ethoxymethane

Answers

1. What type of reaction is involved when an aldehyde is converted into an alcohol?

Answer: (b) Reduction ✔️

Aldehydes are reduced to primary alcohols.


2. Which carboxylic acid is responsible for the sour taste in vinegar?

Answer: (d) Acetic acid ✔️

Acetic acid is the main component of vinegar.


3. What is the IUPAC name of formaldehyde?

Answer: (a) Methanal ✔️

"Formaldehyde" is the common name; "methanal" is IUPAC.


4. Which of the following reagents will oxidize an aldehyde to a carboxylic acid?

Answer: (c) KMnO₄ ✔️

KMnO₄ is a strong oxidizing agent.


5. What is the general formula for carboxylic acids?

Answer: (c) R-COOH ✔️

All carboxylic acids contain the –COOH group.


6. Which of the following can be formed from the oxidation of a primary alcohol?

Answer: (d) Both b and c ✔️

Primary alcohol → aldehyde → carboxylic acid (with further oxidation).


7. Which compound is commonly known as acetone?

Answer: (b) Propanone ✔️

Acetone is the common name for propanone (a ketone).


8. Which of the following is the correct IUPAC name for CH₃CH₂OH?

Answer: (a) Ethanol ✔️

It has 2 carbon atoms and an –OH group.


9. Which functional group is present in all alcohols?

Answer: (c) Hydroxyl Group ✔️

The –OH (hydroxyl) group defines alcohols.


10. Which of the following is the correct IUPAC name for CH₃CH₂OCH₃?


Answer: (a) Methoxyethane ✔️

An ether with a methoxy group (–OCH₃) attached to an ethane chain.

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