Advertisements
Advertisements
Question
Name the following:
The radical containing one nitrogen and four hydrogen atoms.
Solution
Ammonium
APPEARS IN
RELATED QUESTIONS
Name the following radicals :
SO42
The valency of calcium is 2. Write the valencies of other radical in the following :
- CaO
- Ca(OH)2
- CaC03
- CaCl2
Write the names of `"HgO"` compounds :
Tick (√) the correct answer.
The sulphate radical is written as S042-. What is the formula of calcium sulphate ?
A liquid compound X of molecular mass 18 u can be obtained from a number of natural sources. All the animals and plants need liquid X for their survival. When an electric current is passed through 200 grams of pure liquid X under suitable conditions, then 178 grams of gas Y and 22 grams of gas Z are produced. Gas Y is produced at the positive electrode whereas gas Z is obtained at the negative electrode. Moreover, gas Y supports combustion whereas gas Z burns itself causing explosions.
- Name (i) liquid X (ii) gas Y, and (iii) gas Z.
- What is the ratio of the mass of element Z to the mass of element Y in the liquid X ?
- Which law of chemical combination is illustrated by this example ?
- Name two sources of liquid X.
- State an important use of Y in our life.
State whether the following statements are true or false:
A sodium ion has positive charge because it has more protons than a neutral atom.
A particle P has 18 electrons, 20 neutrons and 19 protons. This particle must be :
Differentiate between the following with suitable examples- A basic radical and an acid radical
State if the following element or radical is divalent?
Chromium
State if the following element or radical is divalent?
Permanganate
