Plasma is used in_________________?
Plasma is used in_________________?
A. Fluorescent bulb
B. Neon signs
C. Lasers
D. All of these
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Which of the following are isoelectronic species ?
Which of the following are isoelectronic species ?A. H+ H H-
B. Li+ Na+ K+
C. C1- Br- I
D. F- Ne Na+The cooling of molten urea by air in the tower is called______________________?
The cooling of molten urea by air in the tower is called______________________?A. prilling
B. evaporation
C. condensation
D. crystallizationIn which of the following equilibria will Kc and Kp have the same value ?
In which of the following equilibria will Kc and Kp have the same value ?A. PCI5 = PCI3 + Cl2
B. N2 + 3H2 = 2NH
C. 2CO + O2 = CO2
D. N2 + O2 = 2NOThe composition of ‘ Golden spangles is_________?
The composition of ‘ Golden spangles is_________?A. PbCrO4
B. PbI2
C. As2Cr2O7
D. BaCrO4Which of the elements do not fall in stair case of the modern periodic table__________________?
Which of the elements do not fall in stair case of the modern periodic table__________________?A. Si
B. As
C. Te
D. None of the aboveThe carbon atom of carbonyl group is__________________?
The carbon atom of carbonyl group is__________________?A. sp hybridized
B. sp2 hybridized
C. cp3 hybridized
D. dsp2 hybridized