How many groups and periods are present in the Modern Periodic Table?
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The pH of a solutiion is 3. When its pH changes to 6, then H+ ion concentration
The chemical weathering of feldspar produces
Binomial Nomenclature was founded by
Which type of Ethanol is made from sources like molasses, sugarcane, sugar beet, sorghum and edible oil seeds?
Which of the following gases are responsible for the greenhouse gas effect on Earth?
By volume, 78% of air is _______________
The series of processes by which nitrogen and its compounds are inter-converted in the environment and in living organisms is called _____ .
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