Chemistry Which of the following is a secondary pollutant ? NO SO2 CO PAN NO SO2 CO PAN ANSWER DOWNLOAD EXAMIANS APP
Chemistry Organic compounds are Covalent compounds Co-ordination compounds Interstitial compounds Ionic compounds Covalent compounds Co-ordination compounds Interstitial compounds Ionic compounds ANSWER DOWNLOAD EXAMIANS APP
Chemistry A potato tuber has been cut into two halves. A few drops of iodine solution are placed on the cut surface of one of the halves. What colour change will be noticed? From pink to blue-green From brown to blue-black From brown to orange-red From blue to pink From pink to blue-green From brown to blue-black From brown to orange-red From blue to pink ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is used to restore the colour of old oilpaintings ? Sodium peroxide Hydrogen peroxide Barium peroxide Ozone Sodium peroxide Hydrogen peroxide Barium peroxide Ozone ANSWER DOWNLOAD EXAMIANS APP
Chemistry If there is one million Mg2+ ions in MgCl2, how many chloride ions are there? Half a million Two million One million Ten million Half a million Two million One million Ten million ANSWER DOWNLOAD EXAMIANS APP
Chemistry An alloy used in making heating elements for electric heating device is Nichrome Alloy Steel Solder German Silver Nichrome Alloy Steel Solder German Silver ANSWER DOWNLOAD EXAMIANS APP
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