हिंदी

The Removal of Oxygen from a Substance is Called: (A) Oxidation (B) Corrosion (C) Reduction (D) Rancidity - Science

Advertisements
Advertisements

प्रश्न

The removal of oxygen from a substance is called:
(a) oxidation
(b) corrosion
(c) reduction
(d) rancidity

Advertisements

उत्तर

(c) reduction
The removal of oxygen from the substance is called reduction.

Example: ZnO + C → Zn + CO
In this reaction, zinc loses oxygen and hence gets reduced. On the other hand, carbon gains oxygen and gets oxidised.

shaalaa.com
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 1: Chemical Reactions and Equations - Exercise 2 [पृष्ठ ४८]

APPEARS IN

लखमीर सिंग Chemistry (Science) [English] Class 10
अध्याय 1 Chemical Reactions and Equations
Exercise 2 | Q 46 | पृष्ठ ४८

वीडियो ट्यूटोरियलVIEW ALL [4]

संबंधित प्रश्न

Translate the following statement into chemical equation and then balance it.

Potassium metal reacts with water to give potassium hydroxide and hydrogen gas.


On what basis is a chemical equation balanced?


Balance the given equation:

HNO3 + Ca(OH)2  Ca(NO3)2 + H2O


Balance the given equation:

BaCI2 + H2SO4  BaSO4 + HCI


Balance the given chemical equation:

NH3 → N2 + H2


 Rewrite the following information in the form of a balanced chemical equation:
Magnesium burns in carbon dioxide to form magnesium oxide and carbon.


Write a balanced chemical equation for the process of photosynthesis giving the physical states of all the substances involved and the conditions of the reaction.


The chemical equations are balanced to satisfy one of the following laws in chemical reactions. This law is know as:
(a) law of conservation of momentum
(b) law of conservation of mass
(c) law of conservation of motion
(d) law of conservation of magnetism


Write the balanced equation for the following chemical reaction.

\[\ce{Barium chloride + Aluminium sulphate -> Barium sulphate + Aluminium chloride}\]


Write your observation for the following chemical reaction and name the product formed :
When ammonium chloride is heated with sodium hydroxide.


Balance the following equation:

 H2O + Cl2 → HCl + O2


Balance the following equation:

P + HNO3 → NO2 + H2O + H3PO4


Write the balanced chemical equation of the following reaction.

aluminium + sodium hydroxide + water → sodium meta aluminate + hydrogen


Write the balanced chemical equation of the following reaction.

sulphur + nitric acid→ sulphuric acid  + nitrogen dioxide + water.


Name the following:

The gas evolved when a dilute acid is added to chalk [limestone].


Name the following:

Two gases which react under pressure in presence of a catalyst at elevated temperatures to give a gaseous product.


Name the following:

A catalyst which increases the rate of a chemical reaction.


Write word equation for the following chemical reaction given below. Also state the observation seen in the case.

\[\ce{Na2SO3 + 2HCl ->[\triangle] 2NaCl + H2O + SO2}\]


Balance the following simple equation:

ZnS   +   O2  →  ZnO + SO2 


Write a balanced equation for the following word equation:

Potassium bicarbonate → Potassium carbonate + Water + Carbon dioxide 


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×