Chemistry When a metal is heated in a flame, the electrons absorb energy and jump to higher energy state. On coming back to the lower energy siate, they emit light, which we can observe in Absorption spectra Emission spectra Fluorescence Raman spectra Absorption spectra Emission spectra Fluorescence Raman spectra ANSWER DOWNLOAD EXAMIANS APP
Chemistry An inert gas mixed with oxygen given to patients suffering from restricted breathing is Helium Argon Krypton Radon Helium Argon Krypton Radon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Air shows the property of N2 O2 None of these Both A and B N2 O2 None of these Both A and B ANSWER DOWNLOAD EXAMIANS APP
Chemistry The buffer action of blood is due to the presence of CI– and [CO3]2– CI– and [HCO3]– [HCO3]– and H2CO3 HCI and NaCI CI– and [CO3]2– CI– and [HCO3]– [HCO3]– and H2CO3 HCI and NaCI ANSWER DOWNLOAD EXAMIANS APP
Chemistry The material which can be deformed permanently by heat and pressure is called a chemical compound polymer thermoset thermoplastic chemical compound polymer thermoset thermoplastic ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical used in embalming biological materials is Ethylene glycol Formaldehyde in methanol Gaseous formaldehyde Formaldehyde in water Ethylene glycol Formaldehyde in methanol Gaseous formaldehyde Formaldehyde in water ANSWER DOWNLOAD EXAMIANS APP