A. White light B. Photon C. X-ray D. Infrared Correct Answer: Option B - Photon Explanation Photon is unit of…
A. sodium chloride and potassium hydroxide B. sodium hydroxide C. potassium hydroxide D. soluble carbonates and hydrogen carbonate Correct Answer:…
A. uranium B. palladium C. actium D. thorium Correct Answer: Option A - uranium Explanation Uranium is a common nuclear…
A. coal B. wood C. fuel D. chlorofluorocarbons Correct Answer: Option A - coal Explanation Coal is a major source…
A. are monoatomic B. form ions easily C. have duplet or octet electronic configuration in the outermost shells in their…
I. Primary alkanols II. Secondary alkanols III. Tertiary alkanols A. I, II and III B. I and II only C.…
A. Fe B. Cu C. Cn D. Sn Correct Answer: Option A = Fe Explanation Fe displaces hydrogen from hot…
A. 15.3 cm³ B. 87.3 cm³ C. 2.0 cm³ D. 97.0 cm³ Correct Answer: Option D - 97.0 cm³
A. Charles’s law B. Boyles’s law C. Graham’s law D. Avogadro’s law Correct Answer: Option B - Boyles’s law
A. make baking powder B. make fruit juice C. remove rust D. dry substance Correct Answer: Option A - make…