Chemistry Major portion of the earth’s crust is mainly constituted by Oxygen and Silicon Oxygen and Iron Silicon and Iron Silicon and Aluminium Oxygen and Silicon Oxygen and Iron Silicon and Iron Silicon and Aluminium ANSWER DOWNLOAD EXAMIANS APP
Chemistry If a buffer solution is diluted its pH Will slowly increase and then it will decrease Remains same Is increased Is decreased Will slowly increase and then it will decrease Remains same Is increased Is decreased ANSWER DOWNLOAD EXAMIANS APP
Chemistry Lead in water can cause Hair falling Kidney damage Arthritis Eye disease Hair falling Kidney damage Arthritis Eye disease ANSWER DOWNLOAD EXAMIANS APP
Chemistry The major harmful gas emitted by automobile vehicles which causes air pollution is Carbon Monoxide Carbon dioxide Methane Ozone gas Carbon Monoxide Carbon dioxide Methane Ozone gas ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a natural source of hydrocarbon? Natural Gas Petroleum Mica Coal Natural Gas Petroleum Mica Coal ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal does not give H2 on treatment with dilute HCL is Ca Fe Ag Zn Ca Fe Ag Zn ANSWER DOWNLOAD EXAMIANS APP
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