Question

(i) Dry ice (solid CO2) is a - (a) Ionic crystal (c) molecular crystal (b) covalent crystal (d) Metallic crystal
(ii) Rate of any reaction=K[A]" x [B]", its order of reaction. (a) Will mxn (b) Willm (c) Will m+n (d) Will m-n
(iii) Which property of colloidal particles is due to the scattering of light - (a) Diffusion (b) Peptisation (c) Tyndall effect (d) Brownian movement )
(iv) Method of concentration of hematite (iron ore) is - (a) Gravity reparation method (b) Froath flatation method (c) Magnetic reparation method (d) Reduction method
(v) Which of the following inert gas has in complete octate. (a) Krypton (b) Neem (c) Helium (d) Argon.
(iv) Which of the following drugs was discovered by Alexander Fleming - (a) Penicillin (b) Arprine (c) Streptomycin (d) Chloramphenicol
(v) Is antipyretic - (d) Chloroquine. (c) Asprine (a) Procaine (b) Xylocaine​

Answer 1

Answer:

1) molecular crystal

Explanation:

hope this will help you

Answer 2

Answer:

a, b, d, a, b this is a answer of this question