FDE EST Chemistry Past Paper April 2024

Which organic acid is used in pulping of wood?

1. acetic acid
2. citric acid
3. benzoic acid
4. none of these

Velocity of electron will be maximum in which orbit?

1. 1st
2. 2nd
3. 3rd
4. 4th

Slow cooling of crystal yield to produce?

1. small crystal
2. large crystal
3. both a and b
4. electrons

What is the oxidation number of Mn in KMnO 4 ?

1. +4
2. +5
3. +6
4. +7

Coinage metals present in which group?

1. group 11
2. group 7
3. group 16
4. none of these

What is the role of Grignard reagent when it react with water to give?

1. alkane
2. alcohols
3. alkaline
4. none of these

Geometry of SF6 is ?

1. Octahedral
2. Pentahedral
3. Tetrahedral
4. None of these

Paramagnetism is due to ?

1. share paired of electron
2. unpaired of electron
3. paired electron
4. none of these

I have not met her ___ a week.

1. to
2. from
3. for
4. none of these

Correct spelling: Mathematics, Mathematis, Mathemetics

1.  Mathematics
2. Mathematis
3. Mathemetics
4. None of these