Chemistry Which of the following is a natural polymer? Polythene Bakelite Nylon Starch Polythene Bakelite Nylon Starch ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the toxic heavy metals is found in modern tannery industries ? Chromium Zinc Lead Nickel Chromium Zinc Lead Nickel ANSWER DOWNLOAD EXAMIANS APP
Chemistry Synthetic detergents are made from Sodium salt of benzene sulphonic acid Sodium palmitate Sodium stearate Sodium salt of benzene carboxylic acid Sodium salt of benzene sulphonic acid Sodium palmitate Sodium stearate Sodium salt of benzene carboxylic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Metal are good conductors, because The molecules in them are very close to each other The molecules in them collide very freely They contain reflecting surface They contain free electrons The molecules in them are very close to each other The molecules in them collide very freely They contain reflecting surface They contain free electrons ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following gases has the highest calorific value? Water gas Coal gas Natural gas Indane gas Water gas Coal gas Natural gas Indane gas ANSWER DOWNLOAD EXAMIANS APP
Chemistry High concentration hydrocarbon pollutants in atmospheric air causes Silicosis Reduced crop yield Cancer Respiratory diseases (e.g.asthma) Silicosis Reduced crop yield Cancer Respiratory diseases (e.g.asthma) ANSWER DOWNLOAD EXAMIANS APP
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