Which drug belongs to hallucinogens: (A) Codeine (B) Mescaline (C) Heroin (D) Morphin 0 Chemistry MCQs Author: MCQs Master Report : If answer is wrong. August 4, 2021
Who presented the idea of sterile surgery for the first time: (A) Lamarck (B) Joseph Lister (C) Sir Alexender Fleming (D) Thomas Grill 0 Chemistry MCQs Author: MCQs Master Report : If answer is wrong. August 4, 2021
The spectrum of helium is expected to be similar to that of (A) Na (B) Li+ (C) H (D) He+ 0 Chemistry MCQs Author: MCQs Master Report : If answer is wrong. August 4, 2021
Which of the following alcohols cannot be produced by treatment of aldehydes or ketones with NaBh4or LiAH4? (A) 1-Propanol (B) Ethanol. (C) 2-Propanol (D) 2-Methyl2-Proponal 0 Chemistry MCQs Author: MCQs Master Report : If answer is wrong. August 4, 2021
Calcium acetate when dry distilled gives (A) Acetone (B) Acetic anhydride (C) Formaldehyde (D)Acetaldehyde 0 Chemistry MCQs Author: MCQs Master Report : If answer is wrong. August 4, 2021
Acetylene gives (A) White ppt. with ammonical AgNO3and red ppt. with ammonical Cu(NO3)2 (B) White ppt. with both (C) White ppt. with ammonical AgNo3 and red ppt. with ammonicalCu2Cl2 (D) Red ppt. with both 0 Chemistry MCQs Author: MCQs Master Report : If answer is wrong. August 4, 2021
Which of the following halogens does not form its oxyacids? (A) I (B) Br (C) Cl (D) F 0 Chemistry MCQs Author: MCQs Master Report : If answer is wrong. August 4, 2021
Which of the following statements is correct with respect to the property of elements with increase in atomic number in the carbon family (group 14)? (A) The stability of the +2 oxidation state increases (B) Their metallic character decreases (C) Their atomic size decreases (D) Their ionization energy increases 0 Chemistry MCQs Author: MCQs Master Report : If answer is wrong. August 4, 2021
Leblanc process is employed in the manufacture of (A) Baking soda (B) Potash (C) Washing soda (D) Plaster of Paris 0 Chemistry MCQs Author: MCQs Master Report : If answer is wrong. August 4, 2021
Each of following is true of white and red phosphours except that they (A) Can be oxidized by heating in air (B) Consist of the same kind of atoms (C) Are both soluble in CS2 (D) Can be converted into one another 0 Chemistry MCQs Author: MCQs Master Report : If answer is wrong. August 4, 2021