Advertisements
Advertisements
प्रश्न
Select the correct answer from the choice given below.
The unreactive non-metallic element
पर्याय
chlorine
argon
sulphur
उत्तर
argon
संबंधित प्रश्न
Tick the most appropriate answer.
How many times is a proton heavier than an electron?
- 1500
- 1800
- 1840
- none of these
Write the Chemical Name of the Following and Also Give Their Molecular Formulae:
Vinegar
Name: a Metal Which is brittle
Indicate whether the following statement is true or false:
A compound is made up of just one kind of atom
Match the compounds in List I – 1 to 20 with their correct formulas from in List II-A to T.
| List I | List II | ||
| 1 | Hydrochloric acid | A | NaCI |
| 2 | Potassium Hydroxide | B | NaOH |
| 3 | Sulphuric Acid | C | KCI |
| 4 | Zinc Hydroxide | D | Ca(OH)2 |
| 5 | Sodium Chloride | E | CaS |
| 6 | Nitric Acid | F | CuSO4 |
| 7 | Calcium Hydroxide | G | CaCO3 |
| 8 | Carbonic Acid | H | NH4CI |
| 9 | Sodium hydroxide | I | HCI |
| 10 | Copper sulphate | J | ZnO |
| 11 | Potassium Chloride | K | HNO3 |
| 12 | Calcium Carbonate | L | H2CO3 |
| 13 | Magnesium Sulphide | M | MgS |
| 14 | Zinc Sulphate | N | MgO |
| 15 | aluminium Hydroxide | O | KOH |
| 16 | Sodium Carbonate | P | ZnSO4 |
| 17 | Calcium Sulphide | Q | Na2CO3 |
| 18 | Magnesium Oxide | R | H2SO4 |
| 19 | Zinc Oxide | S | AI(OH)3 |
| 20 | Ammonium Chloride | T | Zn(OH)2 |
Select the correct answer from A, B, C, D & E for the statement given below :
A mixture consisting of elements & a compound.
Matter is its simplest form is called ______.
Name the element which is used for making computer chips.
Higher-Order Thinking questions:
Why is hydrogen considered an element?
Name the two elements which are derived from the country.
