3,820 Questions
Science Questions
All Science MCQs for CTEVT entrance exam.
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ScienceHard
Chemistry
Elements Compounds
What is the total number of elements in the 6th period?
ScienceHard
Chemistry
Elements Compounds
Which element is used in 'galvanization' to prevent rusting of iron?
ScienceHard
Chemistry
Elements Compounds
A neutral atom of an element has 2, 8, 8, 1 configuration. How many neutrons are in its isotope with mass 40?
ScienceHard
Chemistry
Elements Compounds
What is the oxidation state of Manganese in \(KMnO_4\)?
ScienceHard
Chemistry
Elements Compounds
Which of the following is an alkaline earth metal?
ScienceHard
Chemistry
Elements Compounds
Which element has the highest thermal conductivity?
ScienceHard
Chemistry
Elements Compounds
What is the valency of the element with atomic number 14?
ScienceHard
Chemistry
Elements Compounds
In the modern periodic table, where are the non-metals located?
ScienceHard
Chemistry
Elements Compounds
Which gas is released when Sodium reacts with water?
ScienceHard
Chemistry
Elements Compounds
The electronic configuration of a halogen is usually:
ScienceHard
Chemistry
Elements Compounds
How many electrons are in the outermost shell of an element with atomic number 19?