Chemistry Helium gas is filled in ballons because It is a noble gas It is lighter than air Its atomic number is 2 It is one of the constitutents of water It is a noble gas It is lighter than air Its atomic number is 2 It is one of the constitutents of water ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is a natural polymer? Nylon Bakelite Starch Polythene Nylon Bakelite Starch Polythene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is a major green house gas? Carbon monoxide Carbon dioxide Freon Chloro fluorocarbon Carbon monoxide Carbon dioxide Freon Chloro fluorocarbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Rock salt is a mineral containing Potassium Iron Magnesium Sodium Potassium Iron Magnesium Sodium ANSWER DOWNLOAD EXAMIANS APP
Chemistry An electric iron has a heating element made of : Nichrome Zinc Copper Tungsten Nichrome Zinc Copper Tungsten ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following contains maximum percentage of carbon ? High speed steel Stainless steel Wrought iron Cast iron High speed steel Stainless steel Wrought iron Cast iron ANSWER DOWNLOAD EXAMIANS APP