CHEMISTRY QUIZ
English
기본
Test your chemistry knowledge with these questions. Quiz requires a knowledge of mainly general chemistry and a little of organic chemistry.
설명
35
질문
3 분
질문당
7:45
평균 시간
4.0
대회 점수
3.7
커뮤니티 평점
11
참가자
Educational explanations. 👍 Explanations cover why the correct answers are correct and why the wrong answers are wrong (when appropriate). E.g.: #q1, #q33, #q35
You gave answer as gas doesn't have a definite shape. That's correct but liquid also doesn't have a definite shape. Liquid merely take the shape of its container.
4. Which of the following substances does not have a melting point?
Since glass is an amorphous solid it also don't have a sharp melting point. It varies within a range.
1) An element has 5 electrons on its outtermost shell it is likely to be in what group?
Nowadays we use modern periodic table so this questions options are not suitable. It's a member of 13th group.
35 ) Which of the following is a normal salt?
Sulfuric acid is a strong corrosive acid and is not a salt.
10. Which of the following is not an example alicyclic compounds?
Here Pyridine is also not alicyclic it is a non benzenoid aromatic compound.
Most of the Chemical Compounds have not been given actual super and subscripts. In H2So4 atleast you could've made the O capital.
– D. Resonance effect
– C. Conjugated system
C and D are correct
In chemistry, a conjugated system is a system of connected p orbitals with delocalized electrons in a molecule, which in general lowers the overall energy of the molecule and increases stability
https://en.wikipedia.org/wiki/Conjugated_system