1. A
   2 - butanol
2. B
   Iso - butanol
3. C
   Propanol
4. D
   Butanol

Tap an option to check your answer.

1. A
   -CHO and -CO, X = $\text{CH}_3\text{CH}_2\text{CHO}$, Y = $\text{CH}_3\text{COCH}_3$
2. B
   -CO and -COOH, X = $\text{CH}_3\text{COCH}_3$, Y = $\text{CH}_3\text{CH}_2\text{COOH}$
3. C
   -CHO and -COOH, X = $\text{CH}_3\text{CH}_2\text{CHO}$, Y = $\text{CH}_3\text{CH}_2\text{COOH}$
4. D
   -COOH and -COOR, X = $\text{CH}_3\text{CH}_2\text{COOH}$, Y = $\text{CH}_3\text{COOCH}_3$

Tap an option to check your answer.

1. A
   5 covalent bonds
2. B
   17 covalent bonds
3. C
   12 covalent bonds
4. D
   16 covalent bonds

Tap an option to check your answer.

1. A
   sodium ethanoate and hydrogen
2. B
   sodium ethanoate and oxygen
3. C
   sodium ethoxide and oxygen
4. D
   sodium ethoxide and hydrogen

Tap an option to check your answer.

1. A
   S
2. B
   P
3. C
   R
4. D
   Q

Tap an option to check your answer.

1. A
   Rutherford
2. B
   J.J. Thomson
3. C
   Chadwick
4. D
   Bohr's

Tap an option to check your answer.

1. A
   2
2. B
   3
3. C
   1
4. D
   0

Tap an option to check your answer.

1. A
   3
2. B
   2
3. C
   0
4. D
   1

Tap an option to check your answer.

1. A
   Deuterium
2. B
   Protium
3. C
   Tritium
4. D
   Protium, Deuterium and Tritium

Tap an option to check your answer.

1. A
   3
2. B
   7
3. C
   4
4. D
   1

Tap an option to check your answer.

1. A
   8
2. B
   2
3. C
   18
4. D
   10

Tap an option to check your answer.

1. A
   $_{4}\text{B}^{9}$
2. B
   $_{4}\text{F}^{9}$
3. C
   $_{4}\text{O}^{9}$
4. D
   $_{4}\text{Be}^{9}$

Tap an option to check your answer.

1. A
   a = divide by 22.4 L, b = multiply by 22.4 L
2. B
   a = divide by 22.4 L, b = divide by 22.4 L
3. C
   a = multiply by 22.4 L, b = multiply by 22.4 L
4. D
   a = multiply by 22.4 L, b = divide by 22.4 L

Tap an option to check your answer.

1. A
   Carbon
2. B
   Nitrogen
3. C
   Oxygen
4. D
   Hydrogen

Tap an option to check your answer.

1. A
   Polar covalent bonds
2. B
   Ionic bond
3. C
   Hydrogen bond
4. D
   Covalent bond

Tap an option to check your answer.

1. A
   d
2. B
   c
3. C
   a
4. D
   b

Tap an option to check your answer.

1. A
   polar covalent bonds
2. B
   covalent bond
3. C
   ionic bond
4. D
   hydrogen bond

Tap an option to check your answer.

1. A
   Polar covalent bonds
2. B
   Covalent bond
3. C
   Hydrogen Bonding
4. D
   Ionic bond

Tap an option to check your answer.

1. A
   Q and R
2. B
   P and Q
3. C
   P and R
4. D
   Q and S

Tap an option to check your answer.

1. A
   Suspensions
2. B
   Soluble substances
3. C
   Colloids
4. D
   Solutions

Tap an option to check your answer.

1. A
   1 - (iv)(C), 2 - (i)(B), 3 - (ii)(A), 4 - (iii)(D)
2. B
   1 - (iv)(A), 2 - (i)(C), 3 - (ii)(B), 4 - (iii)(D)
3. C
   1 - (iv)(C), 2 - (i)(B), 3 - (ii)(D), 4 - (iii)(A)
4. D
   1 - (i)(B), 2 - (iv)(C), 3 - (iii)(D), 4 - (ii)(A)

Tap an option to check your answer.

1. A
   $2, 8, 6$
2. B
   $2, 8, 7$
3. C
   $2, 8, 8, 1$
4. D
   $2, 8, 8$

Tap an option to check your answer.

1. A
   Same physical properties
2. B
   Different chemical properties
3. C
   Different atomic number
4. D
   Different number of neutrons

Tap an option to check your answer.

1. A
   35.5
2. B
   17
3. C
   34
4. D
   35

Tap an option to check your answer.

1. A
   1 - C, 2 - B, 3 - D, 4 - A
2. B
   1 - D, 2 - A, 3 - C, 4 - B
3. C
   1 - B, 2 - D, 3 - A, 4 - C
4. D
   1 - A, 2 - C, 3 - B, 4 - D

Tap an option to check your answer.