In this section you will find thousands of questions of Chemistry, how to solve each of the questions and the correct answer.
You will have four options in each question, try to answer correctly and if you don't, you will have the option to see the solution or choose another answer.
If you want to know how to solve each question you can click on the option 'How to solve?'
Substances used as drying agents are usually
amphoteric
acidic
efflorescent
hygroscopic
Permanent hardness of water can be removed by
boiling
filtration
adding slaked lime
adding caustic soda
A noble gas with high fog-penetrating power used in aerodrome beacons is
Neon
Argon
Krypton
Helium
21D + 31T → 42He + 10n + energy. The reaction illustrates
nuclear fusion
alpha decay
nuclear fission
artificial transmutation
Elements in the same period of the periodic table have the same
number of electron shells
physical properties
atomic number
chemical properties
