set 1 MCQ Questions & Answers Detailed Explanation
MOST IMPORTANT general science mcq - 4 EXERCISES
The following question based on acids, bases, salts and metals topic of general science mcq
(a) 5.5 to 5.8
(b) 7.0 to 7.8
(c) 6.0 to 6.5
(d) 7.0 to 11.0
The correct answers to the above question in:
Answer: (b)
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Read more chemistry ncert Based General Science Questions and Answers
Question : 1
The chemical formula of baking soda is
a) $NaHCO_3$
b) $CaCO_3$
c) $Ca(OH)_2$
d) $Na_2CO_3$
Answer »Answer: (a)
Question : 2
Which method is employed for obtaining a pure metal?
a) Magnetic separation
b) Froth floatation
c) Electrolytic refining
d) Gravity separation
Answer »Answer: (c)
Question : 3
Which of the following is considered a mineral acid ?
a) Lactic acid
b) Citric acid
c) Oxalic acid
d) Phosphoric acid
Answer »Answer: (d)
Question : 4
The useful element in photography is
a) Silver Bromide
b) Sulphuric Acid
c) Silver Nitrate
d) Citric Acid
Answer »Answer: (a)
Question : 5
Antacids are commonly used to get rid of acidity in the stomach. A commonly used antacid is
a) calcium hydroxide
b) sodium hydrogen phthalate
c) magnesium hydroxide
d) manganese acetate
Answer »Answer: (c)
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