Do it at once. (Change the voice)
A) It should be done at once.
B) Let it at once to be done,
C) Let it at once be done.
D) Let it be done at once.
What is the formula of nitric acid?
A) CaOH
B) HCI
C) HNO₃
D) NaCl
Movement of water molecules from a of higher concentration to a region of lower through semi-permeable membrane is called:
A) Osmosis
B) Transportation
C) Conduction
D) Induction
A polynomial having...term is called trinomial.
A) 1
B) 2
C) 3
D) 4.
On a line two supplementary angles are in the ratio of 5:1 the two angles will be:
A) 20° & 70°
B) 120° & 60°
C) 150° & 30°
D) None of these
