Top 1000+ Solved Chemistry MCQ Questions Answer
Q. A neutron , an electron, a proton and an alpha particle are moving with the same kineticenergy. Which of the following is correct order of their speeds?
a. Alpha Particle, Neutron, Proton, Electron
b. Electron, Proton , Neutron, Alpha Particle
c. Alpha Particle, Proton, Neutron, Electron
d. Neutron, Proton, Alpha Particle, Electron
Q. Whenever an alkali metal such as Lithium or Sodium reacts with water , which among thefollowing gas is produced?
a. Oxygen
b. Hydrogen
c. Ozone
d. Carbondioxide
Q. Which among the following are used as components to produce Nitrolim, a widely usedfertilizer in past?
a. Nitrogen & Limestone
b. Calcium Carbide and Nitrogen
c. Calcium Carbide & Carbon
d. Calcium Carbide and Limestone
Q. The aqueous solution of which among the following acids is called Vinegar?
a. Oxalic acid
b. Citric acid
c. Acetic acid
d. Hydrochloric acid
Q. Which among the following is the correct decreasing of bioelements in Human Body?
a. oxygen, hydrogen, Carbon, nitrogen, calcium, and phosphorus
b. oxygen, carbon, nitrogen, hydrogen, calcium, and phosphorus
c. oxygen, carbon, hydrogen, nitrogen, calcium, and phosphorus
d. carbon, oxygen, hydrogen, nitrogen, calcium, and phosphorus
Q. Which among the following happens in an oxidation reaction ?
a. Electrons are gained
b. Electrons are lost
c. Protons are gained
d. Protons are lost
Q. Identify the thermosetting plastic from the given options:
a. Polythene
b. Bakelite
c. PVC
d. Casseine
Q. Which among the following is called Laughing Gas popularly?
a. Nitric oxide
b. Nitrous oxide
c. Nitrogen penta oxide
d. Nitrogen
Q. Identify the non-metallic mineral from the given options:
a. Manganese
b. Magnesium
c. Silica
d. Bauxite
Q. Which among the following are constituents of Brass?
a. Zinc and Copper
b. Iron and Zinc
c. Copper and Nickel
d. Iron and Copper
Q. Which among the following acids is abundant in Grapes, Bananas and Tamarind?
a. Lactic Acid
b. Oxalic Acid
c. Salicylic Acid
d. Tartaric Acid
Q. Which among the following gas was leaked at Bhopal during the Bhopal gas tragedy at 2-3 December 1984?
a. Methyl isocyanide
b. Methyl isocyanate
c. methyl isochloride
d. methyl isochlorate
Q. In the manufacture of Vanaspati ghee from vegetable oils, which among the following gasis used?
a. N2
b. CO2
c. H2
d. Ne
Q. When a tubelight breaks, a cracking sound is produced because ____?
a. Pressure inside the lamp is less than atmospheric pressure
b. Pressure inside the lamp is more than atmospheric pressure
c. The lamp is filled with reactive gases
d. The lamp is filled with mercury vapour