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Everyday Science MCQs
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3321.A change that alters the composition of a substances is known as ____?
3322.A change in physical appearance or state of a substance is called ____?
3323.Which one of the following is not a sign of physical change?
3324.Chemical formula shows ____?
3325.Which isotope is used to determine the accumulation rates of pollutants in layers of soil?
3326.Which isotope is used to investigate carbon uptake and biochemical pathways in plants?
3327.Which isotope is used to study the uptake of phosphorus containing fertilizers?
3328.Which isotope is used to identity efficiency rates of organic and inorganic fertilizers?
3329.Which among the following isotope is used for diagnosis of function of thyroid gland?
3330.Which among the following isotope is used in studies of iron metabolism and proper functioning of red blood cells (RBCs)?