Chemistry Atoms of same element having different mass numbers are called________ Isobars Isomers Isotopes Isotones Isobars Isomers Isotopes Isotones ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following is found in chlorophyll ? Ca2+ Fe2+ Mg2+ A l3+ Ca2+ Fe2+ Mg2+ A l3+ ANSWER DOWNLOAD EXAMIANS APP
Chemistry Baking soda is : Sodium bicarbonate Sodium carbonate Sodium hydroxide Potassium carbonate Sodium bicarbonate Sodium carbonate Sodium hydroxide Potassium carbonate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Magnalium is an alloy of Aluminium and Magnesium Manganese and Magnesium Aluminium and Zinc Magnesium and Tin Aluminium and Magnesium Manganese and Magnesium Aluminium and Zinc Magnesium and Tin ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used for refrigeration? Freon Sulphur dioxide Phosphine Chlorine Freon Sulphur dioxide Phosphine Chlorine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following is not a characteristic of transition metals? Tendency to gain electrons Low electronegativity Malleability Low ionization energy Tendency to gain electrons Low electronegativity Malleability Low ionization energy ANSWER DOWNLOAD EXAMIANS APP