Which ion will have maximum value of heat of hydration ?
Which ion will have maximum value of heat of hydration ?
A. A1+3
B. Cs+
C. Ba+
D. Mg+2
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The hydrogenation of phenol in the presence of Ni and heat gives_________________?
The hydrogenation of phenol in the presence of Ni and heat gives_________________?A. cyclohexane
B. n – hexane
C. 1 – hexanol
D. cyclohexanolGeometry of simple molecule having sp3 hybrid orbital is ___________________?
Geometry of simple molecule having sp3 hybrid orbital is ___________________?A. Triangular
B. Tetrahedral
C. Square planner
D. LinearPolymers described as large molecules built up from small repeating units called________________?
Polymers described as large molecules built up from small repeating units called________________?A. Biopolymers
B. Dimers
C. Monomers
D. metamers58.5g of of NaCl per 1 dm3 of solution of NaCl in water the concentration of solution will be___________________?
58.5g of of NaCl per 1 dm3 of solution of NaCl in water the concentration of solution will be___________________?A. 0.1 M
B. 1 m
C. 1 M
D. 0.1 NWhich one of the following is an inorganic fertilizer ?
Which one of the following is an inorganic fertilizer ?A. manure
B. urea
C. ammonium nitrate
D. AllMelting points of VII-A group elements down the group ____________________?
Melting points of VII-A group elements down the group ____________________?A. Increase
B. Decrease
C. Remain constant
D. No regular trend