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Basic chemistry GK
Question 1 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER] |
The main active constituent of tea and coffee is
nicotine | |
chlorophyll | |
caffeine | |
aspirin |
Question 2 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER] |
What are the number of moles of CO2 which contains 16 g of oxygen?
0.5 mole | |
0.2 mole | |
0.4 mole | |
0.25 mole |
Question 3 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER] |
The number of moles of solute present in 1 kg of a solvent is called its
molality | |
molarity | |
normality | |
formality |
Question 4 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER] |
The maximum number of isomers for an alkene with molecular formula C4H8 is
5 | |
4 | |
2 | |
3 |
Question 5 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER] |
The most extensive, commercially useful source of thorium as monazite sand occurs in India at
Orissa coast | |
Travancore coast | |
West Bengal coast | |
Gujarat coast |
There are 5 questions to complete.