Chemistry A thick paste of cement, sand and water is called R.C.C. Kiln Mortar Concrete R.C.C. Kiln Mortar Concrete ANSWER DOWNLOAD EXAMIANS APP
Chemistry High concentration hydrocarbon pollutants in atmospheric air causes Cancer Silicosis Respiratory diseases (e.g.asthma) Reduced crop yield Cancer Silicosis Respiratory diseases (e.g.asthma) Reduced crop yield ANSWER DOWNLOAD EXAMIANS APP
Chemistry Nylon threads are made of Polysaccharide Polyvinyl polymer Polyamide polymer Polyester polymer Polysaccharide Polyvinyl polymer Polyamide polymer Polyester polymer ANSWER DOWNLOAD EXAMIANS APP
Chemistry Nitrogen forms a variety of compounds in all oxidation states ranging from –3 to + 3 –3 to + 4 –3 to + 6 –3 to + 5 –3 to + 3 –3 to + 4 –3 to + 6 –3 to + 5 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The atomic number of carbon is 6 and its atomic mass is 12. How many are there protons in the nucleus of carbon ? 18 12 6 Zero 18 12 6 Zero ANSWER DOWNLOAD EXAMIANS APP
Chemistry Phosphorus is kept in water because Its ignition temperature is very high Its critical temperature is high Its ignition temperature is very low Its critical temperature is low Its ignition temperature is very high Its critical temperature is high Its ignition temperature is very low Its critical temperature is low ANSWER DOWNLOAD EXAMIANS APP