The element cesium bears resemblance with________________?
The element cesium bears resemblance with________________?
A. Ca
B. Cr
C. Both of the above
D. None of the above
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Which one of the followings possesses melting point below 0°C?
Which one of the followings possesses melting point below 0°C?A. Nitrogen
B. Phosphorus
C. Carbon
D. BismuthWhich one of the following results in the discovery of proton.
Which one of the following results in the discovery of proton.A. Cathode rays
B. Canal rays
C. X-rays
D. Alpha raysNumber of moles in 1 kg of solvent is called_________________?
Number of moles in 1 kg of solvent is called_________________?A. normality
B. molarity
C. molality
D. mole fractionThe substances that reduces the effectiveness of a catalyst are called ___________________?
The substances that reduces the effectiveness of a catalyst are called ___________________?A. Promoters
B. Poisoning catalysts
C. Inhibitors
D. pro-catalystsThe geometry of ammonia is___________________?
The geometry of ammonia is___________________?A. Tetrahedral
B. Square planner
C. Trigonal bipyramidal
D. Trigonal PyramidalWhich one has the lowest density at room temperature ?
Which one has the lowest density at room temperature ?A. Ne
B. N2
C. NH3
D. CO