Isobars are atoms of different chemical elements that have ______.
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Which one of the following is commonly used as an indicator to measure the exact pH?
The process of transferring of charge from a charged object to the earth is called ______________.
Which of the following statements about the reaction below are INCORRECT?
2Pb + C → 2Pb + CO2
A. Carbon di-oxide is getting, oxidisedB. Lead is getting reducedC. Carbon is oxidisedD. Lead oxide is getting reduced
What is the position of metallic ion and non-metallic ion in a chemical formula?
Which one of the following mixture is homogeneous?
The vast amount of sea weeds present in oceans may produce an endless source of
Which among the following statements are TRUE regarding synthetic fibre?
I. They melt after catching fire.
II. They are more durable.
III. They are prepared by a number of processes using petrochemicals.
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