Which cell does not have perforated cell wall?
Anonymous Quiz
21%
Trachied
40%
Companion cell
25%
Sieve tube
13%
Vessels
box contains some identical red colour balls labelled as A each weighing 2 g. Another box contains identical blue colored balls, labelled as B, each weighing 5 g. In the combinations AB, AB2, A2B and A2B3 which is applicable?
Anonymous Quiz
23%
Law of definite porportion
45%
Law of multiple propration
29%
Law of conservation mass
3%
None
What is the chemical formula of sodium carbonate?
Anonymous Quiz
45%
NA2OC3
14%
Cacco3
35%
Na2 co
6%
All
all the three states of water, (i.e. ice, liquid and vapour) chemical composition of water.
Anonymous Quiz
26%
Is very different
34%
Remain same
32%
Some time same some time diffrent
8%
None
form of matter has no fixed shape but it has a fixed volume . An example of this form of matter is ———————
Anonymous Quiz
19%
Co2
25%
Ice
35%
Water vapour
20%
Kerosene
The process in which solid is directly converted to vapors state is called ————
Anonymous Quiz
30%
Vaporaistaion
27%
Solidification
40%
Sublimation
3%
None
The solid which undergoes sublimation is ————
Anonymous Quiz
28%
Ice cube
42%
Nepethelen
25%
Sodium chloride
5%
Pottasium chloride