Chemistry The purest form of Iron is : Pig iron Cast iron Steel Wrought iron Pig iron Cast iron Steel Wrought iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used to increase the anti-knocking property of petrol ? Tetraethyl lead Triethyl lead Trimethyl lead Tetramethyl lead Tetraethyl lead Triethyl lead Trimethyl lead Tetramethyl lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry In surgery, metal pins are used for joining together broken bones. These metal pins remain uncorroded in the body. What is the material of these pins? Titanium Copper Aluminium Iron Titanium Copper Aluminium Iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the most common salt in sea water ? Magnesium sulphate Sodium chloride Calcium carbonate Potassium chloride Magnesium sulphate Sodium chloride Calcium carbonate Potassium chloride ANSWER DOWNLOAD EXAMIANS APP
Chemistry What happens when a drop of glycerol is added to crushed KMnO4 spread on a paper ? There is no reaction. There is a violent explosion. The paper ignites There is a crackling sound There is no reaction. There is a violent explosion. The paper ignites There is a crackling sound ANSWER DOWNLOAD EXAMIANS APP
Chemistry Bauxite is an alloy of which of the following metals ? Silver Aluminium Tin Iron Silver Aluminium Tin Iron ANSWER DOWNLOAD EXAMIANS APP
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