Chemistry Copper substances when exposed to air gains a green coating due to the formation of: CuCO3 Cu(OH)2 CuO CuSO4 Cu(NO3)2 CuCO3 Cu(OH)2 CuO CuSO4 Cu(NO3)2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following electrodes is used in strongly alkaline solution Silver - silver chloride electrode Mercury - mercuric oxide electrode Mercury - mercurous chloride electrode Mercury - mercurous sulphate electrode Silver - silver chloride electrode Mercury - mercuric oxide electrode Mercury - mercurous chloride electrode Mercury - mercurous sulphate electrode ANSWER DOWNLOAD EXAMIANS APP
Chemistry Tar roads get damaged if there is No sloping Heavy traffic Stagnation of water on road No maintenance No sloping Heavy traffic Stagnation of water on road No maintenance ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one element from below list is liquid at room temperature Argon Lead Bromine Zinc Argon Lead Bromine Zinc ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following statements are correct about chloroform? a. Liquid fuel b. Anaesthetic in nature c. Produces phosgene d. Fire extinguisher B, c D, a A, b A, c B, c D, a A, b A, c ANSWER DOWNLOAD EXAMIANS APP
Chemistry One of the following is used to dissolve noble metals. That is Aqua ragia Nitric acid Sulphuric acid Hydrochloric acid Aqua ragia Nitric acid Sulphuric acid Hydrochloric acid ANSWER DOWNLOAD EXAMIANS APP
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