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Q) Inside the sun four hydrogen nuclei combine to form a helium nucleus by which cycle?Ans) Proton-proton cycle.
Experimental evidence for the existence of the atomic nucleus comes from: (1) Millikan's oil drop experiment (2) Atomic emission spectroscopy (3) The magnetic bending of
does lowered pH of water affect dissolved oxygen?
Uses of Dihydric Alcohols
atoms combine to form molecule because they tend to
name any 10 chemical compound used at homewith their molecular formula
The bond between two identical non-metal atoms has a pair of electrons: (1) Unequally shared between the two (2) Transferred fully from one atom to another (3) With iden
Diagonal relationship between Be and Al
What are the general methods for preparation of cycloalkane
Which of the following explains the sequence of filling the electrons in different shells: (1) Hund's rule (2) Octet rule (3) Aufbau principle (4) All of these Ans
Q. why is sodium aluminates is a better coagulates then ferrous sulphates or alum? Ans. Sodium aluminates (NaAlO 2 ): It is better coagulant than FeSO 4 and alum because i
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