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गद्यांश के अनुरूप यहीं सबसे सही उत्तर हैं
Anions are formed through which process?
Absolute alcohol is prepared from rectified spirit by using the following process :
Which polymer is formed by the copolymerization of phenol and formaldehyde?
100 gram of ice at 0°C is mixed with 100 gram of water at 80°C. What will be the final temperature of the mixture ?
The word “acid” comes from a ________ word.
On a clean glass plate, a drop of water spreads to form a thin layer whereas a drop of mercury remains almost spherical because:
Which of the following relation is correct?
What does a catalyst do in a reaction?
Which of the following is not a natural polymer?
Magnesium oxide (MgO) + Water (H2O) = ?
