Which of the following is an example of thermosetting plastic?
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What is the number of groups and periods in the modern periodic table?
Which of the following elements has the lowest melting point?
Which of the following is the best fire-extinguisher?
What are Aldehydes ?
The Chemical formula of Aluminium Chloride is _____.
Process of loosing electrons is known as _____.
Removal of carbon particles from air involves the principle of