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
• (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.
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.
Tired of studying alone? 😓
That’s why I created Entrance Accelerators 🚀—a Telegram channel for any natural student who want to succeed on the entrance exam.
Inside, you’ll find:
📌 Clear, simple breakdowns of tricky concepts
📌 Smart study tips (that actually work)
📌 Fun facts to make learning more interesting
📌 A small but growing community that gets it
This isn’t just another “study group.”
It’s a space for real students, with real challenges, finding better ways to learn together.
So come join us.
No pressure. Just support, progress, and a little motivation when you need it most.
https://t.me/Ent4s 👈
Let’s stop stressing alone and start learning together.
We’ve got this! 💪📚
That’s why I created Entrance Accelerators 🚀—a Telegram channel for any natural student who want to succeed on the entrance exam.
Inside, you’ll find:
📌 Clear, simple breakdowns of tricky concepts
📌 Smart study tips (that actually work)
📌 Fun facts to make learning more interesting
📌 A small but growing community that gets it
This isn’t just another “study group.”
It’s a space for real students, with real challenges, finding better ways to learn together.
So come join us.
No pressure. Just support, progress, and a little motivation when you need it most.
https://t.me/Ent4s 👈
Let’s stop stressing alone and start learning together.
We’ve got this! 💪📚
Forwarded from +🥰Time for education+
Please open Telegram to view this post
VIEW IN TELEGRAM
Forwarded from +🥰Time for education+
1. A point (3, 2) is reflected over the x-axis. What is the image point?
Anonymous Quiz
49%
A) (3, -2)
26%
B) (-3, 2)
19%
C) (-3, -2)
6%
D) (3, 2)
Forwarded from +🥰Time for education+
2. What is the result of reflecting point (-4, 5) over the y-axis?
Anonymous Quiz
19%
A) (-4, -5)
40%
B) (4, 5)
13%
C) (-4, 5)
28%
D) (4, -5)
Forwarded from +🥰Time for education+
3. Which transformation slides a figure to a new location without changing its shape or orientation?
Anonymous Quiz
23%
A) Rotation
47%
B) Translation
8%
C) Dilation
22%
D) Reflection
Forwarded from +🥰Time for education+
. A point is translated by the rule (x, y) —> (x + 5, y - 2). What is the image of (1, 4)?
Anonymous Quiz
47%
A) (6, 2)
37%
B) (-4, 6)
11%
C) (5, 6)
6%
D) (7, 2
Forwarded from +🥰Time for education+
5.A point P(2, 3) is reflected over the line y = x + 2. What are the coordinates of the reflected point P'?
Anonymous Quiz
25%
A) (3, 2)
39%
B) (1, 4)
29%
C) (4, 1)
6%
D) (1, 0)
Forwarded from DABOO ACADAMY
1. An object is moving in a straight line with constant speed. What can be said about its acceleration?
a) It is positive🥰
b) It is negative❤
c) It is zero👍
d) It is variable🤝
a) It is positive🥰
b) It is negative❤
c) It is zero👍
d) It is variable🤝
Forwarded from DABOO ACADAMY
2. If two objects are dropped from the same height but one is heavier than the other, which will hit the ground first (ignoring air resistance)?
🥰. The heavier object
👍. The lighter object
❤. Both will hit at the same time
✍. It depends on their shape
🥰. The heavier object
👍. The lighter object
❤. Both will hit at the same time
✍. It depends on their shape
Forwarded from DABOO ACADAMY
3. What does the slope of a distance-time graph represent?
🥰. Speed
👍. Velocity
🤝. Acceleration
❤. Displacement
🥰. Speed
👍. Velocity
🤝. Acceleration
❤. Displacement
Forwarded from DABOO ACADAMY
4. What kind of joint does not allow any movement?
• 🥰. Hinge joint
• 👍. Ball & Socket joint
• ❤. Suture joint
• 😁. Pivot joint
• 🥰. Hinge joint
• 👍. Ball & Socket joint
• ❤. Suture joint
• 😁. Pivot joint
Forwarded from DABOO ACADAMY
5. What type of joint is found between the femur and the pelvis?
• 🥰. Hinge joint
• 👍. Gliding joint
• ❤. Ball & Socket joint
• 😁. Saddle joint
• 🥰. Hinge joint
• 👍. Gliding joint
• ❤. Ball & Socket joint
• 😁. Saddle joint
Forwarded from DABOO ACADAMY
6. Which of the following bones belongs to the axial skeleton?
• 🥰. Femur
• 👍. Humerus
• ❤. Sternum
• 😁. Scapula
• 🥰. Femur
• 👍. Humerus
• ❤. Sternum
• 😁. Scapula
Forwarded from DABOO ACADAMY
7. What is the result of the operation of difference between two sets?
🥰. Elements that are common to both sets
👍. All elements of the two sets combined
❤. Elements unique to the first set
😁. Elements unique to the second set
🥰. Elements that are common to both sets
👍. All elements of the two sets combined
❤. Elements unique to the first set
😁. Elements unique to the second set
Forwarded from DABOO ACADAMY
8. Which of the following is an example of a linear equation?
🥰. x² = 9
👍. 2x + 3 = 7
❤. |x| = 4
😁. √x = 2
🥰. x² = 9
👍. 2x + 3 = 7
❤. |x| = 4
😁. √x = 2