Chemistry The chemical used in embalming biological materials is Formaldehyde in water Ethylene glycol Gaseous formaldehyde Formaldehyde in methanol Formaldehyde in water Ethylene glycol Gaseous formaldehyde Formaldehyde in methanol ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is used to restore the colour of old oilpaintings ? Ozone Hydrogen peroxide Sodium peroxide Barium peroxide Ozone Hydrogen peroxide Sodium peroxide Barium peroxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The compound to which H2 does not add is Tetra – a –naphthylethylene Tetraphenyl ethylene Tetra –9 – phenanthrylethylene Biphenyl ethylene Tetra – a –naphthylethylene Tetraphenyl ethylene Tetra –9 – phenanthrylethylene Biphenyl ethylene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Aluminium salt commonly used to stop bleeding is Aluminium Chloride Aluminium sulphate Aluminium nitrate Potash alum Aluminium Chloride Aluminium sulphate Aluminium nitrate Potash alum ANSWER DOWNLOAD EXAMIANS APP
Chemistry Silk fibre chemically is : Carbohydrate Cellulose Fat Protein Carbohydrate Cellulose Fat Protein ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas used for filling weather balloons is Air Hydrogen Nitrogen Helium Air Hydrogen Nitrogen Helium ANSWER DOWNLOAD EXAMIANS APP
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