Chemistry The ionisation energy of hydrogen atom in the ground state is x KJ. The energy required for an electron to jump from 2nd orbit to 3rd orbit is 7.2 x 5x 5x/36 x/6 7.2 x 5x 5x/36 x/6 ANSWER DOWNLOAD EXAMIANS APP
Chemistry When ice cubes are made, the entropy of water Increases May either increase or decrease depending on the process used Does not change Decreases Increases May either increase or decrease depending on the process used Does not change Decreases ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following metals is used in Space Crafts to withstand high temperatures ? Fe Ti Ni Pb Fe Ti Ni Pb ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is also known as solution ? A suspension A compound A homogeneous mixture A heterogeneous mixture A suspension A compound A homogeneous mixture A heterogeneous mixture ANSWER DOWNLOAD EXAMIANS APP
Chemistry A substance which readily forms colloidal solution in contact with water is called Hydrophilic colloid Hydrophobic colloid Associated colloid Extrinsic colloid Hydrophilic colloid Hydrophobic colloid Associated colloid Extrinsic colloid ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical used in developing photographic films is Sodium sulphate Hypo Hydroquinone Silver bromide Sodium sulphate Hypo Hydroquinone Silver bromide ANSWER DOWNLOAD EXAMIANS APP