मराठी

Which of the Following Elements Would Yield a Neutral Oxide? Na, S, C, K, H - Science

Advertisements
Advertisements

प्रश्न

Which of the following elements would yield a neutral oxide?

Na, S, C, K, H

Advertisements

उत्तर

H would yield neutral oxides.

shaalaa.com
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 3: Metals and Non-metals - Exercise 1 [पृष्ठ १३३]

APPEARS IN

लखमीर सिंह Chemistry (Science) [English] Class 10
पाठ 3 Metals and Non-metals
Exercise 1 | Q 38.4 | पृष्ठ १३३

संबंधित प्रश्‍न

Why is sodium kept immersed in kerosene oil?


Write the chemical reaction when iron reacts with dilute H2SO4.


The reaction of an iron nail with copper sulphate solution is ........... reaction.

(a) Combination

(b) Displacement

(c) Double displacement

(d) Decomposition


Which of the two metals is more reactive: copper or silver?


Write equation for the reaction of magnesium with oxygen.


Complete and balance the following equation:


Explain why, metals usually do not liberate hydrogen gas with dilute nitric acid.


What happens when a rod of zinc metal is dipped into a solution of copper sulphate? Give chemical equation of the reaction involved.


Can we keep sodium immersed under water? Why?


Which gas is produced when dilute hydrochloric acid is added to a reactive metal?


Write the equation for the reaction of Magnesium with dilute hydrochloric acid.

Name the products formed. Also indicate the physical states of all the substances involved.


Hydrogen is not a metal but still it has been assigned a place in the reactivity series of metals. Why?


Which non-metal has been placed in the reactivity series of metals?


Out of aluminium, copper, calcium and tin, the most reactive metal is:
(a) aluminium
(b) copper
(c) tin
(d) calcium


An element X forms two oxides XO and XO2. The oxide XO is neutral but XO2 is acidic in nature. The element X is most likely to be:
(a) sulphur
(b) carbon
(c) calcium
(d) hydrogen


An element is soft and can be cut with a knife. If is very reactive and cannot be kept open in the air. It reacts vigorously with water. The element is most likely to be:
(a) Mg
(b) S
(c) P
(d) Na


Metal A burns in air, on heating, to form an oxide A2O3 whereas another metal B burns in air only on strong heating to form an oxide BO. The two oxides A2O3 and BO can react with hydrochloric acid as well as sodium hydroxide solution to form the corresponding salts and water.
(a) What is the nature of oxide A2O3?
(b) What is the nature of oxide BO?
(c) Name one metal like A.
(b) Name one metal like B.


Which of the following reactions will not occur? Why not?

(a) MgSO(aq) + Cu (s) → CuSO(aq) + Mg (s)

(b) CuSO4 (aq) + Fe (s) → FeSO4 (aq) + Cu (s)

(c) MgSO4 (aq) + Fe (s) → FeSO4 (aq) + Mg (s)


What are noble gases


Generally, metals are solid in nature. Which one of the following metals is found in liquid state at room temperature?


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×