EASY
Earn 100

Which of the following statement(s) is/are CORRECT?
I. Oils containing unsaturated fatty acids should be used for cooking.
II. Animal fats have saturated carbon chains.
III. Saturated fatty acids are generally harmful for health.

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Important Questions on Chemistry

MEDIUM
Eka–Aluminum was named as __________ in the modern periodic table? 
EASY
Hemoglobin in humans has the highest affinity for which of the following gases?
EASY

______ is a process in which impure water is boiled, and the steam is collected and condensed in a separate container, leaving many of the solid contaminants behind.

EASY
Which group of modern periodic table consists of elements with 2, 8, 6 electronic configuration? 
EASY
In modern periodic table, zig-zag line separate _____:
MEDIUM
Which solution is isotonic with 6% w/v aqueous solution of urea? [Molar mass of Urea=60 gm. mol-1 ]
MEDIUM

For the third period of the periodic table, the shells maybe?

EASY
Who discovered the proton, one of the fundamental particles of an atom?
EASY
Which of the following metals is found in free state in nature?
EASY
Atomic mass of nitrogen is 14 u. Which of the following sample contain 6.022×1023 nitrogen atoms?
MEDIUM
The outer shell of which group of elements is complete in the modern periodic table?
EASY
What conclusion can be drawn from C612 about carbon atom? 
MEDIUM
Which is the first element to be artificially produced?