. In a chemical reaction, the sum of the masses of the reactants and products remain unchanged. This is called ……………
Anonymous Quiz
25%
Law of conservation of energy
56%
Law of conservation of mass
15%
Law of conservation of momentum
4%
Law of conservation of number
The combining power of an element is known as its …………
Anonymous Quiz
24%
Atomic mass
22%
Atomic number
47%
Valency
6%
No of electron
An atom or a group of atoms which carries positive or negative charge is called an …
Anonymous Poll
15%
Anion
18%
Cation
61%
Ion
6%
Nonev
The volume occupied by one mole of a gas under standard conditions of temperature and pressure is called ……………..
Anonymous Quiz
44%
Molar mass
19%
Molar ratio
32%
Molar volume
4%
Molar number
The number of atoms present in one molecule of the substance is called its ……………
Anonymous Quiz
34%
Valency
47%
Atomicity
15%
Polyatomic
4%
None
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Which of the following are covered by a single membrane?
Anonymous Quiz
34%
Mitochondria
38%
Vacoule
26%
Lysosome
2%
None
Which cell organelle plays a crucial role in detoxifring many poisons and drugs in a cell?
Anonymous Quiz
18%
Gogi apparatus
42%
Smooth endoplasmic recticulum
34%
Lysosome
7%
Vacoule
The cell organelle involved in forming complex sugars from simple sugars are
Anonymous Quiz
35%
Ribosomes
29%
Plastid
32%
Golgi apperatus
4%
None
Cell wall of which one of these is not made up of cellulose?
Anonymous Quiz
21%
Hybrid
49%
Bacteria
26%
Mango tree
4%
None
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Which of the following has the strongest interparticle forces at room temperature?
Anonymous Quiz
29%
Oxygen
30%
Bromine
15%
Water
26%
Iron