A. A B. B C. C D. D Correct Answer: Option C = C Explanation Boyles law states that the…
A. A. Lavoisier B. J. Dalton C. R. Boyle D. J. Proust Correct Answer: Option A = A. Lavoisier Explanation…
A. J. Dalton. B. A. Lavoisier. C. R. Boyle. D. J. J. Thompson. Correct Answer: Option C - R. Boyle.…
A. absorption property. B. amorphous property. C. oxidizing property. D. adsorption property. Correct Answer: Option D - adsorption property. Explanation…
A. 40 B. 48 C. 61 D. 101 Correct Answer: Option A = 40 Explanation Molar mass of X(HCO3)2 =…
A. Condensation and diffusion B. Diffusion and evaporation C. Diffusion and sublimation D. Evaporation and condensation Correct Answer: Option D…
A. Carbon(II) oxide B. Nitrogen(IV) oxide C. Lead(II) oxide D. Calcium oxide Correct Answer: Option C - Lead (II) oxide…
Consider the following table Substitute Melting point / ºC Boiling point / ºC P - 78 -25 Q - 8…
A. remains constant down the group B. increases across the period C. decreases across the period D. decreases down the…
A. readily accept electrons B. are soft C. are held together by covalent bond D. are held together by a…