An acid-Base Reaction is always a/an __________?
An acid-Base Reaction is always a/an __________?
A. Endothermic
B. Exothermic
C. Fission
D. Fusion
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CO2 is gas while SiO2 is solid at room temperature?
CO2 is gas while SiO2 is solid at room temperature?A. carbon is non-metal while silicon is semi-metal
B. CO2 is an independent molecule while SiO2 has network covalent structure
C. CO2 forms multiple bond while silicon does not form multiple bonds
D. Silicon has all sigma bonds18g glucose is dissolved in 90g water the relative lowering in vapour pressure is equal to ___________________?
18g glucose is dissolved in 90g water the relative lowering in vapour pressure is equal to ___________________?A. 8
B. 5.1
C. 6
D. one/fifty oneFluted filter paper is used to__________________?
Fluted filter paper is used to__________________?A. Filter hot solution
B. Avoid premature crystallization
C. Increase the rate of filtration
D. Decrease the areaIonic bond is produced after complete transfer of ________________ ?
Ionic bond is produced after complete transfer of ________________ ?A. Nucleus
B. Neutrons
C. Electrons
D. ProtonsIonization energy depends upon____________________?
Ionization energy depends upon____________________?A. Nuclear charge
B. Atomic size
C. Shielding effect
D. I.E depends upon all of the above and nature of orbitalIn Bosch Process, that is used to separate the Hydrogen gas from water Gas, the catalyst is used ______?
In Bosch Process, that is used to separate the Hydrogen gas from water Gas, the catalyst is used ______?A. Pt
B. FeO
C. Cr²O³
D. Both B&C