Chemistry The third shell of an atom can have a maximum of ______ electrons 21 15 13 18 21 15 13 18 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is used to restore the colour of old oilpaintings ? Hydrogen peroxide Barium peroxide Ozone Sodium peroxide Hydrogen peroxide Barium peroxide Ozone Sodium peroxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The coordination number of body centered atom in cubic structure is 4 10 6 8 4 10 6 8 ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is used in storage batteries? Lead Copper Tin Zinc Lead Copper Tin Zinc ANSWER DOWNLOAD EXAMIANS APP
Chemistry The addition of gypsum to portland cement helps in : Increasing the strength of cement Rapid setting of cement Reduction in the cost of cement Preventing rapid setting of cement Increasing the strength of cement Rapid setting of cement Reduction in the cost of cement Preventing rapid setting of cement ANSWER DOWNLOAD EXAMIANS APP
Chemistry The “King of Metals” is : Iron Aluminium Gold Silver Iron Aluminium Gold Silver ANSWER DOWNLOAD EXAMIANS APP
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