What is the base of the Octal Numeral System?
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....... is displaced when zinc is added to the solution of copper sulphate
Which of the following is used as anaesthetics?
Which of the following types of water is known to be absolutely free from any impurity?
Besides CO2, the other green house gas is
Haemoglobin has the highest affinity with which of the following?
The property of metals by which they can be beaten into thin sheets is called _______________.
The modern periodic table consists of 18 groups and 7 periods. What is the atomic number of the element placed in the 3rd group and the 4th period?