Recent questions


Which of the following is the harmful effect of cutting forest?
A)-Lack of rainfall
B)-Climate change
C)-Both A and B
D)-None of these
1 answer asked Oct 2, 2022 in General Knowledge by anonymous

Which of the following electromagnetic wave play an important role in maintaining the earths warmth or average temperature through the greenhouse effect?
A)-Visible rays
B)-Infrared waves
C)-Gamma rays
D)-Ultraviolet rays
1 answer asked Oct 2, 2022 in General Knowledge by anonymous

In each of the following questions, select the pair in which the numbers are similarly related as in the given pair.
1 answer asked Oct 2, 2022 in General Knowledge by anonymous

The total volume of gases evolved at STP at cathode during the entire electrolysis is:
A)-58.49 ml
B)-48.23 ml
C)-60.35 ml
D)-35.58 ml
1 answer asked Oct 2, 2022 in General Knowledge by anonymous

The main product of photosynthesis is:
A)-Glucose
B)-Oxygen
C)-Carbon dioxide
D)-Carbon monoxide
1 answer asked Oct 2, 2022 in General Knowledge by anonymous

The secondary structure of protein is mainly governed by
A)-hydrogen bonds
B)-covalent bonds
C)-hydorphobic bonds
D)-disulphide bonds
1 answer asked Oct 2, 2022 in General Knowledge by anonymous

The noble gases which form clathrate compounds:
1 answer asked Oct 2, 2022 in General Knowledge by anonymous

The ultra high frequency band of radiowaves in electromagnetic waves is used as in
A)-Television waves
B)-Cellular phone communication
C)-Commercial FM radio
D)-Both (b) and (c)
1 answer asked Oct 2, 2022 in General Knowledge by anonymous

Column I gives three physical quantities. Select the appropriate units for these from choices given in column II. Some of the physical quantities may have more than one choice.
1 answer asked Oct 2, 2022 in General Knowledge by anonymous

The reciprocal of impedance is called
A)-reactance
B)-admittance
C)-inductance
D)-susceptance
1 answer asked Oct 2, 2022 in General Knowledge by anonymous

A saturated solution is a metastable solution whose concentration:
A)-Is equal to the solubility of the substance in solvent
B)-Is less than the solubility
C)-Exceeds the solubility
D)-Continuously changes
1 answer asked Oct 2, 2022 in General Knowledge by anonymous

To form a saturated solution of salt one must:
A)-cool slowly
B)-cool rapidly
C)-add some salt to cold solution
D)-use a clear vessel
1 answer asked Oct 2, 2022 in General Knowledge by anonymous

The formula of chromic acid is:
A)-(HCrO_3)
B)-(HCrO_4)
C)-(H_2CrO_3)
D)-(H_2CrO_4)
1 answer asked Oct 2, 2022 in General Knowledge by anonymous

An optical fiber uses the principle of
A)-diffraction of light
B)-absorption of light
C)-high transmission coefficient of the fiber material
D)-total internal reflection
1 answer asked Oct 2, 2022 in General Knowledge by anonymous

In the presence of crystals of solute, a supersaturated solution is_____
A)-not stable
B)-stable
C)-cannot be made
D)-none of above
1 answer asked Oct 2, 2022 in General Knowledge by anonymous

The formula of the deep red liquid formed on heating potassium dichromate with (KCl) in conc. (H_2SO_4) is:
A)-(CrCl_3)
B)-(CrO_2Cl_2)
C)-(CrO_3)
D)-(Cr_2(SO_4)_3)
1 answer asked Oct 2, 2022 in General Knowledge by anonymous

Metal alloys are impure substances of metals so when hammered, they:
A)-form ions
B)-convert into thin sheets
C)-show ductility
D)-break into pieces
1 answer asked Oct 2, 2022 in General Knowledge by anonymous

Most lustrous substance is: | Chemistry Questions
A)-diamond
B)-gold
C)-silver
D)-iodine
1 answer asked Oct 2, 2022 in General Knowledge by anonymous

Refer the above reaction sequence.
1 answer asked Oct 2, 2022 in General Knowledge by anonymous
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