Which of the following is not correct with reference to Bio-sand Water Filter?
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By how many atomic mass units do subsequent members of homologous series differ?
When electricity is passed through an aqueous solution of Sodium Chloride (brine), it decomposes to form.
Ice floats on water because its density is
Identify a use of the isotope of uranium.
Which of the following meals is NOT obtained by reduction using carbon?
Which of the following metals reacts vigorously with cold water?
___ is used in yellow lamp street lights.