Chemistry The two metal ions that cause hardness to water are: Sodium, Calcium Sodium, Potassium Calcium, Magnesium Sodium, Magnesium Sodium, Calcium Sodium, Potassium Calcium, Magnesium Sodium, Magnesium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is also known as solution ? A suspension A compound A heterogeneous mixture A homogeneous mixture A suspension A compound A heterogeneous mixture A homogeneous mixture ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following type of coal has the lowest proportion of volatile matter ? Bituminous Peat Lignite Anthracite Bituminous Peat Lignite Anthracite ANSWER DOWNLOAD EXAMIANS APP
Chemistry The length of double bond is _______ than single bond None of these Of same lenght Longer Shorter None of these Of same lenght Longer Shorter ANSWER DOWNLOAD EXAMIANS APP
Chemistry Molasses a by-product in the manufacture of sugar, is converted into Paper Pulp Fuel Alcohol Paper Pulp Fuel Alcohol ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is used for dating very old objects of archaeological importance? Tritium Phosphorus-31 Radium Carbon-14 Tritium Phosphorus-31 Radium Carbon-14 ANSWER DOWNLOAD EXAMIANS APP