Chemical Process The yield of tar from high temperature carbonisation of dry coal is about __________ percent. 22 3 0.3 12 22 3 0.3 12 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Reaction of calcium carbide with water produces a gas, which is used Neither A nor B As an illuminant For metal cutting/welding Both A & B Neither A nor B As an illuminant For metal cutting/welding Both A & B ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Pick out the wrong statement pertaining to the properties of glasses. Glasses generally have Sharp melting points High electrical insulation properties Compressive strength much greater than their tensile strengths Low co-efficient of thermal expansion Sharp melting points High electrical insulation properties Compressive strength much greater than their tensile strengths Low co-efficient of thermal expansion ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Argon is the third largest constituent of air (followed by Nā & Oā). Its percentage by volume in air is 0.94 0.14 0.34 1.4 0.94 0.14 0.34 1.4 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Triple superphosphate is manufactured by reacting Phosphate rock with sulphuric acid Phosphate rock with nitric acid Ammonium phosphate with phosphoric acid Phosphate rock with phosphoric acid Phosphate rock with sulphuric acid Phosphate rock with nitric acid Ammonium phosphate with phosphoric acid Phosphate rock with phosphoric acid ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following is an explosive? Trintrotoluene (TNT) Cellulose nitrate Nitroglycerene All of these Trintrotoluene (TNT) Cellulose nitrate Nitroglycerene All of these ANSWER DOWNLOAD EXAMIANS APP