Chemistry The first metal used by a man was Bronze Silver Copper Brass Bronze Silver Copper Brass ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most abundant element is Calcium Nitrogen Silicon Oxygen Calcium Nitrogen Silicon Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The major harmful gas emitted by automobile vehicle which causes air pollution is Carbon dioxide Ozone gas Carbon Monoxide Methane Carbon dioxide Ozone gas Carbon Monoxide Methane ANSWER DOWNLOAD EXAMIANS APP
Chemistry The hottest part of the gas flame is known as luminous zone dark zone non-luminous zone blue zone luminous zone dark zone non-luminous zone blue zone ANSWER DOWNLOAD EXAMIANS APP
Chemistry Antacids are found in drugs that give relief to Stomach ache Headache Acne Eye sight Stomach ache Headache Acne Eye sight ANSWER DOWNLOAD EXAMIANS APP
Chemistry The inexpensive and commonly used variety of glass is called soda glass. was initially used for storing sodium carbonate was used initially for making bottles of soda(carbonated drink) is made using soda lime is made using soda(sodium carbonate) was initially used for storing sodium carbonate was used initially for making bottles of soda(carbonated drink) is made using soda lime is made using soda(sodium carbonate) ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS