Chemistry Earth’s atmosphere is an envelope of gases extending to a height of 100 km 200 km 300 km 150 km 100 km 200 km 300 km 150 km ANSWER DOWNLOAD EXAMIANS APP
Chemistry Of the following commonly used materials, the one that is not an alloy is Bronze Copper Brass Steel Bronze Copper Brass Steel ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas causing acid rain in an industrial area is Methane Sulphur dioxide Carbon monoxide Carbon dioxide Methane Sulphur dioxide Carbon monoxide Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is most electronegative Lead Carbon Silicon Tin Lead Carbon Silicon Tin ANSWER DOWNLOAD EXAMIANS APP
Chemistry The components of water can be separated by Physical methods They can not be separated Chemical methods Both A and B Physical methods They can not be separated Chemical methods Both A and B ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one out of the following helps in burning ? Nitrogen Carbon dioxide Oxygen Carbon monoxide Nitrogen Carbon dioxide Oxygen Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP