Which metal is used as a reducing agent in Smelting______?
Which metal is used as a reducing agent in Smelting______?
A. C
B. Zn
C. Al
D. Cu
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The PH of Tears is __________?
The PH of Tears is __________?A. 7.0
B. 7.4
C. 7.8
D. 8.2The introduction of Kelvin scale in thermodynamic is according to_______________?
The introduction of Kelvin scale in thermodynamic is according to_______________?A. Boyles law
B. Charles law
C. Daltons law
D. Grahams lawWhich of the solid does not contain covalent bond__________________?
Which of the solid does not contain covalent bond__________________?A. copper
B. ice
C. diamond
D. graphiteWhich of the following element act as inert electrode________________?
Which of the following element act as inert electrode________________?CCu
B. Ag
C. Pt
D. NoneIn which compound of Xenon the oxidation state of Xenon is + 6?
In which compound of Xenon the oxidation state of Xenon is + 6?A. XeF4
B. XeOF4
C. XeOF2
D. Na4XeO6on sp3 hybridization ________________?
on sp3 hybridization ________________?A. All p-orbitals are involved
B. One s and 3 p-orbitals are involved
C. one p-orbital is involved
D. four p-orbitals are involved