In the reaction NH3 + H+ → NH4+, the bond formed results from?
In the reaction NH3 + H+ → NH4+, the bond formed results from? A. an electron transferred from…
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Which of the following CANNOT be obtained by fractional distillation of petroleum?
Which of the following CANNOT be obtained by fractional distillation of petroleum? A. Ether B. Methane C. Butane…
Sodium carbonate crystals on exposure to a dry atmosphere change to a white powder. This…
Sodium carbonate crystals on exposure to a dry atmosphere change to a white powder. This phenomenon is known…
Which of the following statements is incorrect?
Which of the following statements is incorrect? A. Calcium reacts with water to form calcium B. Magnesium reacts…
Which of the following types of reactions takes place between C2H4 and the halogens?
Which of the following types of reactions takes place between C2H4 and the halogens? A. Substitution B. Polymerization…
The product formed at the the cathode during the electrolysis of sodium chloride solution with…
The product formed at the the cathode during the electrolysis of sodium chloride solution with carbon electrodes is?…
Water is poured over a white solid and a colourless neutral gas is evolved which…
Water is poured over a white solid and a colourless neutral gas is evolved which burns with a…
Cotton is almost pure?
Cotton is almost pure? A. starch B. protein C. animal fibre D. celluose E. mineral fibre Correct Answer:…
Which of the following statements is correct during the electrolysis of a caustic soda solution…
Which of the following statements is correct during the electrolysis of a caustic soda solution using platinum electrodes?…
An amphoteric oxide is an?
An amphoteric oxide is an? A. amorphous oxide of a metal B. amorphous oxide of a non-mental C.…