Fluorine can react with_________________?
Fluorine can react with_________________?
A. Xe
B. Kr
C. Rn
D. All of the above
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One fathom is equal to:__________?
One fathom is equal to:__________?A. 6 feet
B. 6 meters
C. 60 feet
D. 100 cmIn primary alkyl halides the halogen atom is attached to a carbon which is further attached to how many carbon atoms__________________?
In primary alkyl halides the halogen atom is attached to a carbon which is further attached to how many carbon atoms__________________?A. two
B. three
C. one
D. fourChromatography is used to separate _________ ?
Chromatography is used to separate _________ ?A. Solution
B. Mixtures
C. Molecules
D. AtomsIn the van der Waals equation (P + n2a / v2) (v – nb) = nRT which of the following statement is not true ?
In the van der Waals equation (P + n2a / v2) (v – nb) = nRT which of the following statement is not true ?A. n2a/v correct for the intermolecular forces.
B. nb correct for the volume occupied by gas molecules.
C. at high densities the equation reduces to the ideal gas law
D. all of the above statements are correct.Effective volume is usually taken for ____________ ?
Effective volume is usually taken for ____________ ?A. 2 moles of gas
B. 1 mole of gas
C. 5 moles of gas
D. 3moles of gasWhich of the following is used as water disinfectant to avoid the formation of toxic compounds_________________?
Which of the following is used as water disinfectant to avoid the formation of toxic compounds_________________?A. Cl2
B. O3
C. ClO2
D. both B & C