___ is not a chemical change.
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What charge is present on a neutron?
Curd contains mainly ___ acid.
Saturated Hydrocarbons are called
When electricity is passed through an aqueous solution of Sodium Chloride (brine), it decomposes to form.
The state of matter can be changed into another state by changing the
An element has an atomic weight of W and an atomic number of N. The number of protons in the nucleus of its atom is
Which one of the following elements has the lowest atomic mass?
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