What is unit of Pressure?
What is unit of Pressure?
A. Barr
B. Torr
C. Pascal
D. All of these
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The valency of carbon Atom is __________ ?
The valency of carbon Atom is __________ ?A. 1
B. 2
C. 3
D. 4
The valency of carbon is 4. As the atomic number of carbon is 6, it has a total of 6 electrons in one atom arranged in the following configuration. it needs to add 4 more electrons to the 2p sub-shell, or lose 4 electrons from the 2s and 2p sub-shells.Which planet is much brighter in our solar system?
Which planet is much brighter in our solar system?
A. Earth
B. Venus
C. Mercury
D. JupiterWhat Color does chlorophyll not absorb?
What Color does chlorophyll not absorb?A. Red
B. Blue
C. Green
D. YellowDuring which process does heat transfer occur because of density differences__________?
During which process does heat transfer occur because of density differences__________?A. Convection
B. Radiation
C. Conduction
D. None of theseWhich of the following Vitamin is required for Normal Blood Circulation ?
Which of the following Vitamin is required for Normal Blood Circulation ?A. Vitamin A
B. Vitamin K
C. Vitamin D
D. Vitamin EIodised salts contains the iodine salts of which metal?
Iodised salts contains the iodine salts of which metal?A. Iodine
B. Potassium
C. Sodium Chloride
D. Chlorine