There are 11 questions in this chemistry MCQ-1 questions answers paper with four options given for answer each question in this series. After the complete your test you can find your score and answer.
Chemistry MCQ 1
Online Test for high school and College Chemistry Test, after the complications test you can find the correct answer to each question.
Among the following, the species with identical chemical bond order
The role of hemoglobin is to
The paper soaked in salt X turns brown when exposed to HNO3 vapor, the salt X is
The formal oxidation number of Cr and Cl in the ions Cr2O7-2 and ClO3- are
The hybridization of xenon atom in XeF4
The correct order of energy of 2S orbitals in H, Li, Na and K
A container of volume 2.24 lit can stand with a maximum pressure of 2 atm at 298K before exploding. The maximum amount of nitrogen that can be safely put to the container at this temperature closet to
Among the following, the correct statement
The solubility of BasO4 in pure water is closest to[Given KSP = 1.0 × 10-10 at 250C and molecular weight = 233 gm mol-1]
Among the following, the correct statement is
The number of water molecules in 250 ml of water solution closest to[Given the density of water 1.0 gm ml-1; Avogadro number = 6.023 × 1023]
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The average score is 50%