A. green B. orange C. purple D. magenta Correct Answer: Option C C. purple Explanation A mixture of blue &…
A. gets hotter B. increase is mass C. decreases in mass D. changes to steam Correct Answer: Option D D.…
A. lead as the positive electrode B. lead acid as the negative electrode C. hydrochloric acid as the electrolyte D.…
A. can be both positive and negative B. can be zero depending on its position in the track C. can…
A. The particles are closely packed together, they occupy minimum space & are usually arranged in a regular pattern B.…
The following are parts of the eye I. Retina II. Pupil III. Iris A. Diaphragm, Aperture, film B. Aperture, Diaphragm,…
I. air II. liquid III. solids A. I & II only B. I & III only C. II & III…
I. hot cathode emission II. thermo ionic emission III. cold cathode emission IV. Field emission A. I & II B.…
A. Free electrons B. Free atoms C. Free molecules D. Free solids Correct Answer: Option A A. Free electrons Explanation…
I. Lagging the Calorimeter II. Ensuring that only S.I units are used III. Weighing the calorimeter, the lid and the…