Chemistry In arc welding, Argon is used because of its Low reactivity with metal High calorific value High flammability Ability to lower the melting point of the metal Low reactivity with metal High calorific value High flammability Ability to lower the melting point of the metal ANSWER DOWNLOAD EXAMIANS APP
Chemistry The inexpensive and commonly used variety of glass is called soda glass. was used initially for making bottles of soda(carbonated drink) is made using soda(sodium carbonate) was initially used for storing sodium carbonate is made using soda lime was used initially for making bottles of soda(carbonated drink) is made using soda(sodium carbonate) was initially used for storing sodium carbonate is made using soda lime ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which variety of coal contains recognisable traces of the original plant material ? Bitumen Lignite Peat Anthracite Bitumen Lignite Peat Anthracite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Brown stains in vessels and clothes indicate the presence of high quantities of ________ in water Calcium None of these Magnesium Manganese Calcium None of these Magnesium Manganese ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ethanol containing 5% water is known as Methylated alcohol Rectified spirit Denatured spirit Power alcohol Methylated alcohol Rectified spirit Denatured spirit Power alcohol ANSWER DOWNLOAD EXAMIANS APP
Chemistry The sewage obtained from water closets and urinals is known as Industrial waste Sanitary waste Sullage Garbage Industrial waste Sanitary waste Sullage Garbage ANSWER DOWNLOAD EXAMIANS APP