MEDIUM
Earn 100

Which of the following statements regarding Bases is/are not true:

1. Turns red litmus blue.

2. Have a sour taste.

3. Can donate Hydroxyl ions.

50% studentsanswered this correctly

Important Questions on Chemistry

MEDIUM
Which of the following is NOT an ore of iron?
EASY
Which of the following acids is NOT present in grapes?
MEDIUM
What is the colour of the light emitted by the Sun?
EASY
______ are homogeneous mixtures of two or more components.
EASY
What is the more common name for solid carbon dioxide?
EASY
Which of the following has the lowest melting point?
EASY
Which of the following is used as a substitute of mercury in thermometers?
EASY
Which among the following is a cation?
EASY
Methane is a colourless, odourless, non-toxic but flammable gas. What is its common name?
MEDIUM
Which of the following is the major component of vinegar?
MEDIUM
Which of the following can be used as a catalyst in Hydrogenation reaction?
EASY
On heating, gypsum loses a certain percentage of its water content and becomes _____.
HARD
Which among the following has its refractive index closest to that of crown glass?
EASY
What is the atomic mass of Zirconium?
MEDIUM
Which among the following is NOT an insulator?
EASY
Name the only metal that is antibacterial.
MEDIUM
Protium, deuterium and tritium are the naturally occurring isotopes of:
MEDIUM
When we cut an onion, the synthase enzyme converts the amino acid sulfoxides of the onion into which acid?
EASY
As which one of the following, does carbon occur in its purest form in nature?
EASY
On heating, Gypsum loses a certain percentage of its water content and becomes_____.