Question 181 Negatively charged ions are called ? A) cations B) anions C) ion D) none of above No Details
Question 182 Molecular mass of glucose is ? A) 180.096 amu B) 190.096 amu C) 181.096 amu D) 130.096 amu No Details
Question 183 A science that examines material this universe contain and changes in them is called ? A) Chemistry B) Physics C) Biology D) Geography No Details
Question 184 If one mole of carbon contains x atoms then number of atoms in 12g of Mg are ? A) x B) 0.5x C) 2x D) 1.5x No Details
Question 185 Species present in a substance refers to ? A) atoms B) ions C) molecules D) representative particles No Details
Question 187 In glucose simplest ratio between C, H and O is ? A) 2 : 1 : 3 B) 3 : 2 : 1 C) 1 : 2 : 1 D) 3 : 4 : 1 No Details
Question 189 An ionic compound is electrically ? A) neutral B) positively charged C) negatively charged D) none of above No Details
Question 190 6.022 * 1023 atoms of Sulphur contains ? A) 2 moles B) 3 moles C) 4 moles D) 1 mole No Details