A chain of cells in yeast is called __________.
A. Pseudomycelium
B. Mycelium
C. Prosenchyma
D. None of these
What is “Dry Ice”?
A. Solid CaO
B. Solid SO2
C. Solid CO2
D. Solid CO
______ is acidic in nature.
A. CO2
B. Al2O3
C. CO
D. CaO
Which of the following IIA group elements are insoluble in water?
A. Magnesium
B. Carbonates
C. Calcium
D. Hydroxides
_______ shows inert pair effect.
A. Silicon
B. Tin
C. Boron
D. Carbon
The super oxides are formed by the elements of ____________.
A. K, Rb, Cs
B. K, Na, Cs
C. K, Li, Na
D. K, Mg, Rb
Which one of the following are basic hydroxides?
A. MG(OH)2
B. Ca(OH)2
C. Both A and B
D. None of these
_______ compound of calcium is less soluble in water.
A. CaSO3
B. CaSO4
C. Ca(OH)2
D. All of these
________ nitrate will be strongly heated to decompose it.
A. NaNO3
B. KNO3
C. Li NO3
D. CsNO3
Why 1st I.E of S is less than P?
A. because of greater Nuclear charge of S
B. because of greater Nuclear of P
C. because of the stable electronic configuration of S
D. because of the stable electronic configuration of P