Advertisements
Advertisements
Question
Select the correct answer from the choice in the bracket.
The least reactive metal.
Options
magnesium
silver
copper
Advertisements
Solution
silver
APPEARS IN
RELATED QUESTIONS
Name a soft metal.
Differentiate between the following.
Filter Paper and Alum
Correct the following statement:
CO and Co both represents cobalt.
Write the Chemical Name of the Following and Also Give Their Molecular Formulae:
Vinegar
Name: a Metal Which is a Poor Conductor of Electricity.
Name: the Hardest Naturally Occurring Substance
Give the symbols of: Carbon, calcium, copper, chlorine, cobalt, argon.
Give two examples of the following.
Non-metals which are lustrous
Give one use of the following substance:
Brass
Find the atomicity of the Following molecule:
Carbon Monoxide
Indicate whether the following statement is true or false:
Molecules combine to form atoms
Differentiate between the terms –
elements, compounds & mixtures.
State what are radicals. Give the names of the radicals –
(a) NO3
(b) OH
(c) SO4
(d) CO3
Select the correct answer from the choice given below.
The unreactive non-metallic element
Write the names of elements from the following symbol:
Pt
With reference to elements – define the term ‘molecule’. Give two examples each of a monoatomic, diatomic & polyatomic molecule.
Differentiate between homogenous & heterogeneous mixtures.
Select the correct answer from A, B, C, D & E for the statement given below :
A non-metal that is lustrous.
Match the separation of components in List I with the most appropriate process in List II.
| List I | List II |
| 1. Naphthalene from naphthalene & sodium chloride. | A: Separating funnel |
| 2. Cream from milk. | B: Sublimation |
| 3. Kerosene oil from kerosene oil & water. | C: Boiling |
| 4. Lead nitrate from an aqueous solution of lead nitrate. | D: Centrifugation |
| 5. Ammonia from an aqueous solution of ammonia. | E: Distillation |
