Home / General Chemistry – 1 – 1

General Chemistry – 1 – 1

1. Chemical formula for water is :

(a) NaA1O2
(b) H2O
(c) Al2O3
(d) CaSiO3

Answer
Answer : (b)

Explanation
No answer description available for this question. Let us discuss.

2. Brass gets discolored in air because of the presence of which of the following gases in air ?

(a) Oxygen
(b) Hydrogen sulphide
(c) Carbon dioxide
(d) Nitrogen

Answer
Answer : (b)

Explanation
No answer description available for this question. Let us discuss.

3. Which of the following metals forms an amalgam with other metals ?

(a) Tin
(b) Mercury
(c) Lead
(d) Zinc

Answer
Answer : (b)

Explanation
No answer description available for this question. Let us discuss.

4. Quartz crystals normally used in quartz clocks etc. is chemically :

(a) silicon dioxide
(b) germanium oxide
(c) a mixture of germanium oxide and silicon dioxide
(d) sodium silicate

Answer
Answer : (a)

Explanation
No answer description available for this question. Let us discuss.

5. Bromine is a :

(a) black solid
(b) red liquid
(c) colourless gas
(d) highly inflammable gas

Answer
Answer : (b)

Explanation
No answer description available for this question. Let us discuss.


1 2 3 4 5

General Knowledge Books

Be a Part of the New & Next

MCQs fb  MCQs G+

Share the Knowledge

MORE INFORMATION
GATE Total InfoGATE 2019 BooksFree Notes
IES Total InfoIES 2019 BooksFree Mock tests
JAM Total InfoJAM 2019 BooksEngg Diploma
PSUs Total InfoM Tech Total InfoUGC NET Total Info
Copy Protected by Chetan's WP-Copyprotect.