Q. The most commonly used metal in the pure form or as an alloy in domestic appliances is
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Q. A dark-purple compound used as an antiseptic and disinfectant is
Q. Copper substances when exposed to air gains a green coating due to the formation of:
Q. Al3+ is iso electronic with
Q. Impure sodium carbonate obtained in the industrial process is called
Q. Which of the following shows the masses of the three elementary particles in decreasing order?
Q. The carbon-carbon bond length is shortest in
Q. The law of constant proportions was enunciated by
Q. Which one of the following is highly exothermic?
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