Kidney stones are composed of ______.
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Atomic number of which of the following elements is greater than that of Chlorine
In the following reaction, fill in the blank.Acid + Base → _______ + Water
A change in which one or more new substances are formed is called _________.
________ is used for making vinegar.
The modern periodic table consists of 18 groups and 7 periods. What is the atomic number of the element placed in the 1st group and the 4th period?
Fe has 26 protons in its nucleus. What are the number of electrons in Fe2+ (II) ion?
Atomic bomb is based on which of the following principle?
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