If an atom has atomic number 10 and mass number 23, then what will be the number of protons and neutrons in an atom respectively?
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Which metal is liquid at room temperature?
Mercury is the only metal that remains in liquid at room temperature.
Which of the following can be beaten and converted into thin sheets?
............. elements have the largest atoms
Which of the following is applied on the top of the matchsticks?
Which one of the following is an insulator?
Which of the following is one of the commercial products obtained from Gelidium and Gracilaria and are used to grow microbes and in preparations of ice- creams and jellies?
What are Aldehydes ?
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