By how many atomic mass units do subsequent members of homologous series differ?
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___ is one of the states of matter obtained by cooling a gas of very low density to extremely low temperatures.
India implemented the GST (Goods and Service Tax) from which month of 2017?
What is the valency of magnesium?
‘Marketing Support and Services Scheme’ (in the Eleventh Plan) Supports artisans related to ___________.
Ping-pong Diplomacy is related to which of the following countries?
Chinese spacecraft Chang’e 5 has returned to the Earth, carrying samples from which astronomical body?
The SI unit of electric charge is