Chemistry The antiparticle of an electron is Positron Proton Alpha particles Beta particles Positron Proton Alpha particles Beta particles ANSWER DOWNLOAD EXAMIANS APP
Chemistry Lead pencil contains Graphite Lead Ferrous sulphide Lead sulphide Graphite Lead Ferrous sulphide Lead sulphide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following nonmetals shows allotropy in the liquid state? Carbon Sulphur Bromine Phosphorous Carbon Sulphur Bromine Phosphorous 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 no reaction. There is a violent explosion. There is a crackling sound The paper ignites There is no reaction. There is a violent explosion. There is a crackling sound ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is used for dating very old objects of archaeological importance? Radium Carbon-14 Phosphorus-31 Tritium Radium Carbon-14 Phosphorus-31 Tritium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Stainless steel is an alloy of Chromium, carbon and iron Chromium and iron Chromium and carbon Carbon and iron Chromium, carbon and iron Chromium and iron Chromium and carbon Carbon and iron ANSWER DOWNLOAD EXAMIANS APP
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