Chemistry Which of the following is used in welding broken pieces of iron rails and machine parts? None of these Aluminium powder Aluminium sulphate Solder None of these Aluminium powder Aluminium sulphate Solder ANSWER DOWNLOAD EXAMIANS APP
Chemistry What happens when a drop of glycerol is added to crushed KMnO4 spread on a paper ? The paper ignites There is a crackling sound There is a violent explosion. There is no reaction. The paper ignites There is a crackling sound There is a violent explosion. There is no reaction. ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is a common name for the substance which irritates lachrymal glands ? Anaesthetic Gas Noble Gas Tear Gas Laughing Gas Anaesthetic Gas Noble Gas Tear Gas Laughing Gas ANSWER DOWNLOAD EXAMIANS APP
Chemistry Silicone is a polymer of Silane Silicon tetrachloride Tetraalkyl silane Dialkyl dichloro silane Silane Silicon tetrachloride Tetraalkyl silane Dialkyl dichloro silane ANSWER DOWNLOAD EXAMIANS APP
Chemistry One carat of diamond is equal to 150 mg 200 mg 250 mg 100 mg 150 mg 200 mg 250 mg 100 mg ANSWER DOWNLOAD EXAMIANS APP
Chemistry Two elements which can form a large number of compounds are Carbon and Nitrogen Carbon and Oxygen Carbon and Sulphur Carbon and Hydrogen Carbon and Nitrogen Carbon and Oxygen Carbon and Sulphur Carbon and Hydrogen ANSWER DOWNLOAD EXAMIANS APP