Chemistry What is the covalency of nitrogen in ammonia molecule 4 5 2 3 4 5 2 3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Synthetic detergents are made from Sodium salt of benzene sulphonic acid Sodium palmitate Sodium salt of benzene carboxylic acid Sodium stearate Sodium salt of benzene sulphonic acid Sodium palmitate Sodium salt of benzene carboxylic acid Sodium stearate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone layer of atmosphere absorbs: Infra-red rays Cosmic rays. Ultraviolet rays All radiations of Light Infra-red rays Cosmic rays. Ultraviolet rays All radiations of Light ANSWER DOWNLOAD EXAMIANS APP
Chemistry The temperature of oxy-acetylene flame is around 3200°C 2800°C 3600°C 4000°C 3200°C 2800°C 3600°C 4000°C ANSWER DOWNLOAD EXAMIANS APP
Chemistry Vulcanized rubber contains sulphur 3-5% 10-15% 7-9% 0.02 3-5% 10-15% 7-9% 0.02 ANSWER DOWNLOAD EXAMIANS APP
Chemistry By-product obtained by soap industry is Caustic potash Naphthalene Caustic soda Glycerol Caustic potash Naphthalene Caustic soda Glycerol ANSWER DOWNLOAD EXAMIANS APP