Top 1000+ Solved Chemistry MCQ Questions Answer
Q. Every kilogram of seawater has approximately how much dissolved salts?
a. 1 gm
b. 0.35 gms
c. 3.5 gms
d. 35 gms
Q. Gypsum is added to Cement so that, _________?
a. setting of cement can be fastened
b. setting of cement can be slowed
c. Cement strength can be improved
d. Cement strength can be controlled
Q. Consider the following:CopperZincTinGun Metal is the alloy of which among the above?
a. 1 & 2
b. 1 & 3
c. 2 & 3
d. 1, 2 & 3
Q. Which among the following makes Chile saltpetre different from saltpetre?
a. Nitrate
b. Sodium
c. Magnesium
d. Calcium
Q. When a piece of quicklime is dipped in water, it gives bubbles. This bubbling is due to which of the following?
a. Oxygen
b. Carbon Dioxide
c. Water Vapour
d. Hydrogen
Q. Which among the following acid is used to ascertain, whether pure Ghee has beenadulterated with Vanaspati or Margarine?
a. Sulphuric Acid
b. Nitric Acid
c. Hydrochloric Acid
d. Boric Acid
Q. Mizoroki-Heck reaction is catalyzed by which of the following metals?
a. Rhodium
b. Sodium
c. Palladium
d. Osmium
Q. Which among the following is used in preparing windows for X-Ray Tubes ?
a. Barium
b. Beryllium
c. Magnesium
d. Calcium
Q. Which among the following first increases than decreases in a Period of a periodic table?
a. metallic property
b. Chemical Reactiveness
c. Valency
d. Electron affinity
Q. Which among the following were not discovered by the time , Mendeleev published hisperiodic table?
a. Lathanides
b. Actinides
c. Noble Gases
d. Halogens
Q. Ekaboron was an element predicted by Mendeleev and he leaved a space for it in his Periodic Table. Later Ekaboron was identified with _____?
a. Gallium
b. Scandium
c. Technitium
d. Germanium
Q. Which among the following allotropes of Oxygen is found in 6 phases under various pressures and temperatures?
a. Ozone
b. Tetra oxygen
c. Octaoxygen
d. None of them
Q. Buckeyballs are basically the allotropes of _________?
a. Carbon
b. Sulfur
c. Phosphorus
d. Calcium
Q. Which among the following protein is responsible for maintenance of osmotic pressure?
a. Beta macroglobulin
b. Gamma globulin
c. immunoglobulin
d. albumin