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Again we have, Both Yogita and Bhawna live on the same floor. Priya does not live above the floor on which Shreya lives.
Which polymer is formed by the copolymerization of phenol and formaldehyde?
Which element causes whiptail disease in plants?
Which one of the following gases is supporter of combustion?
A radioactive substance emits?
Which gas is evolved during the reaction of an acid with a metal?
Activated charcoal is used to remove colouring matter from pure substances by which of the following process?
When acid is added to the indicator- methyl orange, what is the color observed?
What is the chemical formula of rust?
Match the following columns and choose the correct option:
Column I A. Leishmania donovani B. Trypanosoma gambiense C. Entamoeba histolytica D. W...
The reaction of an aldehyde with Tollens’ reagent results in: