WorksheetsChemistry
Total questions: 15
Worksheet time: 8mins
During oxidation process electrons are
Lost
Gained
Paired up
Remains same
The process of heating the concentrated ore in a limited supply of air or in the absence of air is known as:
Roasting
Leaching
Calcinations
Cupellation
Which one of the following Vitamins is essential for coagulation of Blood?
K
C
A
B1
What is the source of UV radiation?
Hydrogen gas discharge lamp
RF oscillator
Klystron oscillator
Nernst Filament
Which transitions are studied by UV spectrometer?
Rotational
Electronic
Nuclear
Vibrational
The structure of sulphur dioxide molecule (SO2) may be given as:
Tetrahedral
Bent
Linear
Plane triang
An SN1 reaction results in:
Retension
Racemisation
Inversion
Eliminatio
The compressibility factor for ideal g
Zero
1
>1
<1
The value of PcVc/RTc is:
8.314
0.375
2.000
0.082
Which of the following is not true for zero order reaction?
Rate = Rate constant
Rate is independent of concentrations
Rate does not change with time
Rate increase with increase in concentrations
The cell in which electrical energy is converted to chemical energy is:
Galvanic cell
Voltaic cell
Electrolytic cell
Electrochemical cell
In isothermal expansion of gases, which of the following is zero?
q (heat absorbed)
W
∆E
∆V
Gels are:
Gas dispersed in solid
Solids dispersed in gas
Gas dispersed in liquid
Liquids dispersed in solids
A catalyst is:
Consumed in reaction
Produced in reaction
Not affected in reaction
Undergoes chemical change
In an auto catalytic reaction, the rate of reaction
Increase with time
Not affected with time
Decrease with time
Cant be predicted
