Chemistry Which of the following is caused by the higher concentration of Nitrogen and Phosphorous ? Alkalinity Hardness Acidity Eutrophication Alkalinity Hardness Acidity Eutrophication ANSWER DOWNLOAD EXAMIANS APP
Chemistry Normal rainwater is slightly acidic due to the presence of None of these Carbon dioxide Sulphur dioxide Methane None of these Carbon dioxide Sulphur dioxide Methane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Quartz is made of Sodium Silicate Calcium Sulphate Calcium Silicate Sodium Sulphate Sodium Silicate Calcium Sulphate Calcium Silicate Sodium Sulphate 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? Aluminium Titanium Copper Iron Aluminium Titanium Copper Iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which gas emitted by power stations causes acid rain? Sulphur dioxide Helium Carbon dioxide Nitrogen Sulphur dioxide Helium Carbon dioxide Nitrogen ANSWER DOWNLOAD EXAMIANS APP
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