Chemistry SSC CHSL Questions

Chemistry MCQ Questions

1.
Which of the following is responsible for producing green light in fireworks?
SSC CHSL 2021-13.04.2021-2
A.
Potassium
B.
Barium
C.
Silicon
D.
Sodium
ANSWER :
B. Barium
2.
Which chemical reaction takes place during the cooking of meat?
SSC CHSL 2021-15.04.2021-2
A.
The Finkelstein reaction
B.
The Swartz reaction
C.
The Gattermann reaction
D.
The Maillard reaction
ANSWER :
D. The Maillard reaction
3.
Alkali metals react vigorously with cold water resulting in the displacement of ______
SSC CHSL 2021-15.04.2021-3
A.
nitrogen
B.
hydrogen
C.
oxygen
D.
carbon dioxide
ANSWER :
B. hydrogen
4.
Which one of the following is NOT a halogen element?
SSC CHSL 2021-15.04.2021-3
A.
Fluorine
B.
Iodine
C.
Selenium
D.
Astatine
ANSWER :
C. Selenium
5.
Which of the following metals reacts with the moist carbon dioxide in the air and slowly loses its shiny brown surface and gains a green coat?
SSC CHSL 2021-16.04.2021-2
A.
Silver
B.
Iron
C.
Zinc
D.
Copper
ANSWER :
D. Copper
6.
Who among the following is considered as the β€˜Father of Modern Atomic Theory’?
SSC CHSL 2021-04.08.2021-1
A.
Robert Boyle
B.
John Dalton
C.
Willard Gibbs
D.
Otto Hahn
ANSWER :
B. John Dalton