Related Questions

___with inexperiened climbers and _____with wste. Mount Everest is in danger.
A Full-laden
B Visited- brimming
C Packed -cover
D Overcroweded -polluted
One molecule of oxygen is __________ times heavier than the hydrogen atom.
A 12
B 14
C 16
D 32
The oxygen atom is ________ times heavier than the hydrogen atom.
A 2
B 8
C 16
D 32
One molecule of oxygen consists of __________ atoms of oxygen.
A 2
B 4
C 8
D 16
In an oxygen molecule, two atoms are united by
A One bond
B Two bonds
C Three bonds
D Four bonds
Every molecule of water contains ----Oxygen and -----Hydrogen.
A 2, 1
B 1, 2
C 3, 4
D 2, 2
Number of hydrogen atoms in a Glucose molecule is
A 6
B 8
C 12
D 14
How many atoms of oxygen are in a glucose molecule?
A 3
B 4
C 6
D 10
Identify the sentence in which the word element (s) refers to 'suitable or favourable environment. (1) There is an element of truth in your story. (2) Water is composed of elements of hydrogen and oxygen. (3) I feel out of my elements in political discussions. (4) Water is a natural element for fish
A (4)
B (3)
C (1) and (2)
D (1)
The correct relation between theoretical oxygen demand (TOD), Biochemical oxygen demand (BOD) and Chemical oxygen demand (COD) is given by
A TOD > BOD > COD
B TOD > COD > BOD
C BOD > COD > TOD
D COD > BOD > TOD

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