Chemistry Cement is formed by strongly heating a mixture of Clay and graphite Limestone and clay Chalk and graphite Limestone and graphite Clay and graphite Limestone and clay Chalk and graphite Limestone and graphite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Brass gets discoloured in air due to constant exposure in presence of: Aluminium sulphide Hydrogen sulphide Hydrogenated wafers Aluminium phosphide Aluminium sulphide Hydrogen sulphide Hydrogenated wafers Aluminium phosphide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Vulcanized rubber contains sulphur 7-9% 10-15% 3-5% 0.02 7-9% 10-15% 3-5% 0.02 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sulphur dioxide present in the industrial chimney exhaust causes All of these Respiratory and lung disease Corrosion building materials Reduction in plant's productivity owing to acid rain All of these Respiratory and lung disease Corrosion building materials Reduction in plant's productivity owing to acid rain ANSWER DOWNLOAD EXAMIANS APP
Chemistry Name two elements that find wide application in transistor industry Iridium and Germanium Silicon and Germanium Tungsten and Platinum Carbon and Platinum Iridium and Germanium Silicon and Germanium Tungsten and Platinum Carbon and Platinum ANSWER DOWNLOAD EXAMIANS APP
Chemistry Choose the incorrect statement pertaining to organic compounds They contain mainly carbon and hydrogen They have low melting and boiling points They are not easily combustible They do not dissolve in water They contain mainly carbon and hydrogen They have low melting and boiling points They are not easily combustible They do not dissolve in water ANSWER DOWNLOAD EXAMIANS APP
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