1.568 x 103, 6.023 x 1019, 4.84 x 1017, 6.023 x 1023" /> 1.568 x 103, 6.023 x 1019, 4.84 x 1017, 6.023 x 1023" /> 1.568 x 103, 6.023 x 1019, 4.84 x 1017, 6.023 x 1023" />
   HTML
   HTML5
   CSS
   CSS3
   JavaScript
   jQuery
   AngularJS
   Articles
   Tech Articles
   Blog
Google News
logo
Chemistry - General Knowledge Questions
The number of water molecules present in a drop of water (volume 0.0018 ml) at room temperature is
A)
1.568 x 103
B)
6.023 x 1019
C)
4.84 x 1017
D)
6.023 x 1023

Correct Answer :  

Published On : July 3, 2020
Recent Updates in Chemistry - General Knowledge Questions
Q .
Freons cause great environmental damage. They are
A)
Mixed chlorofluoro-hydrocarbons
B)
Mixed sulphur gases
C)
Mixed carbon gases
D)
Free gases

Correct Answer :   Mixed chlorofluoro-hydrocarbons

Published On : June 12, 2021
Category : Chemistry
Q .
When ants bite, they inject
A)
Stearic acid
B)
Formic acid
C)
Methanol
D)
Glacial acetic acid

Correct Answer :   Formic acid

Published On : June 12, 2021
Category : Chemistry
Q .
The cycling of elements in an ecosystem is called
A)
Chemical cycles
B)
Geological cycles
C)
Geochemical cycles
D)
Biogeochemical cycles

Correct Answer :   Biogeochemical cycles

The biogenetic nutrients are essential elements required by organisms for their body-building and metabolism which are provided by earth and returned to earth after the death of organisms and/or through excreta of animals. So, the correct answer is 'Biogeochemical cycle'

Published On : June 12, 2021
Category : Chemistry

General Knowledge MCQ

WORLD HISTORY
WORLD GEOGRAPHY
Computers
Agriculture
ART & CULTURE
Banking
RAILWAYS
INDIAN ECONOMY
Books and Authors
Defence
Space
SPORTS
Awards
Animals and Bird
Insurance
INDIAN GEOGRAPHY
Business and Economics
More
Advertisement