Chemistry How many atoms of oxygen are in a glucose molecule 3 4 6 10 3 4 6 10 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following gases is mixed with oxygen for breathing by divers in aqua lungs? Helium Hydrogen Methane Nitrogen Helium Hydrogen Methane Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry For extinguishing fire, we use Hydrogen Marsh gas Carbon Monoxide Carbon Dioxide Hydrogen Marsh gas Carbon Monoxide Carbon Dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Choose the incorrect statement pertaining to organic compounds They contain mainly carbon and hydrogen They do not dissolve in water They have low melting and boiling points They are not easily combustible They contain mainly carbon and hydrogen They do not dissolve in water They have low melting and boiling points They are not easily combustible ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is a soluble salt in H2O CaCl2 PbCl2 CuS Zn(OH)2 CaCl2 PbCl2 CuS Zn(OH)2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Lead pencil contains Lead sulphide Ferrous sulphide Lead Graphite Lead sulphide Ferrous sulphide Lead Graphite ANSWER DOWNLOAD EXAMIANS APP