General Science Questions
1.
Scattering of a-particles by a thin gold foil
suggest the presence of
a. Electrons
in an atom
b. Protons
in an atom
c.
positively charged nucleus in the center
of an atom
d. Isotopes
of gold
2. The
elements of which of the following pairs are isobars?
a. 1/1 H and
3/1 H
b. 1/1 H and
2/1 H
c. 12/6 C
and 14/6 C
d. 40/18 Ar
and 40/20 Ca
3. Which of
the following chemical reactions is not feasible?
a. Fe CuSO4
→ FeSO4 Cu
b. Zn CuSO4
→ Zn SO4 Cu
c. Cu PbCI2
→ CuCI2
d. Mg + CuSO
4 →MgSO4 +
Cu
4. A solution
having pH equal to zero is known as
a. highly
alkaline solution
b. highly
acidic solution
c. weak acid
solution
d. neutral
solution
5. Which of
the following acids is produced In human stomach?
a. Formic
acid
b. Sulfuric
acid
c. Nitric
acid
d.
Hydrochloric acid
6. Match
List I - with List- II and select the correct answer using the codes given
below the lists:
List I List
II
(Compound) (use)
a. Boric
acid 1. Antiseptic
b. Citric
acid 2.
food preservative
c. Magnesium
hydroxide 3. antacid
d. Acetic
acid 4. Pickle
Code:
(a) A B C
D
1
2 3 4
(b) A B C
D
1 3
2 4
(c) A B C D
4 3
2 1
(d) A B C
D
4
2 3 1
7. The
property of sound waves that determines the pitch of the sound is its
a. frequency
b. amplitude
c.
Wavelength
d. intensity
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