MCQ
Carbon -12 atom has:
- A6 electrons, 6 protons, and 6 neutrons.
- B6 electrons, 12 protons, and 6 neutrons.
- C12 electrons, 6 protons, and 6 neutrons.
- D18 electrons, 6 protons, and 6 neutrons.
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
You are given the solution of lead nitrate. In order to obtain a yellow precipitate you should mix with it a solution of:
A metal 'M' reacts with an acid according to the equation.
→$\text{M}+\text{H}^+\rightarrow\text{M}^{3+}+\text{H}_2$
Which of the following is correct for metal M?One of the following organic compounds cannot decolourise the red-brown colour bromine water. This compound is:
- C14H28
- C7H12
- C6H14
- C9H16
Lime water reacts with chlorine to give:
Define brittleness.
Carbon forms four covalent bonds by sharing its four valence electrons with four univalent atoms, e.g. hydrogen. After the formation of four bonds, carbon attains the electronic configuration of:
To protect tooth decay we are advised to brush our teeth regularly. The nature of the tooth paste commonly used is:
The correct electron dot structure of a water molecule is:
Which of the following is treated with chlorine to obtain bleaching powder?
The indicators which turn red in acid solution are: