Chemistry When cathode rays strike a target of high atomic weight, they give rise to X-rays ? and ? rays ?-rays Positive rays X-rays ? and ? rays ?-rays Positive rays ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone consists of Hydrogen and Carbon Oxygen and Carbon Oxygen and Nitrogen Oxygen only Hydrogen and Carbon Oxygen and Carbon Oxygen and Nitrogen Oxygen only ANSWER DOWNLOAD EXAMIANS APP
Chemistry The process which does not evolve CO2 in air is Burning Organic delay Photosynthesis Breathing Burning Organic delay Photosynthesis Breathing ANSWER DOWNLOAD EXAMIANS APP
Chemistry The mass number of a nucleus is a fraction always less than its atomic number the sum of the number of protons and neutrons present in the nucleus always more than the atomic weight a fraction always less than its atomic number the sum of the number of protons and neutrons present in the nucleus always more than the atomic weight ANSWER DOWNLOAD EXAMIANS APP
Chemistry Bakelite is a co-polymer of Phenol and Cinnaldehyde Formaldehyde Benzaldehyde Acetaldehyde Cinnaldehyde Formaldehyde Benzaldehyde Acetaldehyde ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following was used as a chemical weapon in the first world war ? Mustard gas Water gas Hydrogen cyanide Carbon monoxide Mustard gas Water gas Hydrogen cyanide Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
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