Wednesday, April 8, 2015

Chemistry 3

Chemistry 3

Q-1 When we heat oxalic acid, then it gives…….
(a) Formic acid (b) Acetic acid
(c) H2 So4 (d) None

Q-2 Nitroglycerine is active component of -------
(a) Dynamite (b) Dolomite
(c) Acetic acid (d) None

Q-3 By which deficiency of vitamin, night blindness occur --------
(a) B (b) A
(c) D (d) None

Q-4 Vitamin B2 have chemical name --------
(a) Ribonucleic acid (b) Riboflavin
(c) Ribose (d) None

Q-5 Which of the following is a vitamin?
(a) Ascorbic acid (b) RNA
(c) DNA (d) None

Q-6 Which is a hormone?
(a) Insulin (b) Brain
(c) a and b (d) None

Q-7 Hemoglobin transport……. in blood .
(a) Oxygen (b) N
(c) C (d) None

Q-8 Which is called disaccharide ?
(a) Sucrose (b) Fructose
(c) a and b (d) None

Q-9 How many OH group contain in Glucose?
(a) 6 (b) 5
(c) 9 (d) 10

Q-10 When there is a deficiency of iodine then which disease occur?
(a) Beri-2 (b) Cataract
(c) Hernia (d) None

Q-11 Carrot is best source of which vitamin?
(a) B (b) A
(c) D (d) None

Q-12 Which vitamin is also known as sunshine vitamin?
(a) B (b) D
(c) C (d) None
Q-13 Thiamine is also regarded as --------
(a) B2 (b) B1
(c) B (d) None

Q-14 Which of the following is sweetest sugar?
(a) Glucose (b) Fructose
(c) Lactose (d) None

Q-15 Nature of ethylamine is ------------
(a) Square (b) Pyramidal
(c) Triangular (d) None

Q-16 Ants contain which acid ?
(a) Formic acid (b) Benzoic acid
(c) a and b (d) None

Q-17 Which acid is containing in vinegar?
(a) Formic (b) Acetic
(c) Oxalic (d) None

Q-18 Due to presence of which acid lemon is sour?
(a) Citric acid (b) Nucleic acid
(c) Acetic acid (d) None

Q-19 Methy cyanide is-------
(a) Acetonitrile (b) Acetic acid
(c) Formic acid (d) None

Q-20 Acetic acid is………
(a) Strong acid (b) Weak acid
(c) Neutral acid (d) None

Q-21 K2Cr2 O7 is
(a) Potassium dichromate
(b) Pot. triacetates
(c) a and b
(d) None

Q-22 Acetic acid is…………
(a) Not ionized (b) Slightly ionized
(c) a and b (d) None]

Q-23 Which thing is liberated in the process of fermentation.
(a) CO (b) CO3
(c) CO4 (d) None

Q24 CH3 CH2 CH2 OH is
(a) Ethanol –I
(b) Propanol –I
(c) a and b (d) None

Q-25 Carbolic acid is called ------
(a) Phenol (b) Phenyl
(c) a and b (d) None


1(a) Formic acid
2(a) Dynamite
3(b) A
4(b) Riboflavin
5(a) Ascorbic acid
6(a) Insulin
7(a) Oxygen
8(b) Fructose
9(b) 5
10(a) Beri-2
11(b) A
12(b) D
13(b) B1
14(b) Fructose
15(b) Pyramidal
16(a) Formic acid
17(b) Acetic
18(a) Citric acid
19(a) Acetonitrile
20(b) Weak acid
21(a) Potassium dichromate
22(b) slightly ionized
23(a) Co
24(b) Propanol –I
25(a) Phenol

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