मराठी
महाराष्ट्र राज्य शिक्षण मंडळएस.एस.सी (इंग्रजी माध्यम) इयत्ता १० वी

When electric current is passed through acidulated water ______ of water takes place.

Advertisements
Advertisements

प्रश्न

When electric current is passed through acidulated water ______ of water takes place.

पर्याय

  • Oxidation

  • Displacement

  • Electrolysis

  • Reduction

  • zinc

  • copper

  • Double displacement

  • Decomposition

MCQ
रिकाम्या जागा भरा
Advertisements

उत्तर

When electric current is passed through acidulated electrolysis of water takes place.

Explanation:

Water decomposes into hydrogen gas and oxygen gas when electric current is passed through acidulated water. Since decomposition of water takes place by means of electrical energy, it is called electrolysis.

shaalaa.com
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 3: Chemical reactions and equations - Exercise [पृष्ठ ४५]

APPEARS IN

बालभारती Science and Technology Part 1 [English] Standard 10 Maharashtra State Board
पाठ 3 Chemical reactions and equations
Exercise | Q 1. c. | पृष्ठ ४५

व्हिडिओ ट्यूटोरियलVIEW ALL [1]

संबंधित प्रश्‍न

Complete and balance the following chemical equations:

Zn + `"H"_2"SO"_4`  `→`

           (dil)


True or false 

New substances are formed in a chemical change.


Name the type of chemical reaction shown by the following equation :

Fe2O3 + 2Al → Al2O3 + 2Fe


Complete the statement by filling the gaps using appropriate term from the terms given in the bracket.

(slow, coloured, arrow, fast, smell, milky, physical, product, chemical, reactant, covalent, ionic, octet, duplet, exchange, sharing, equality sign)

Oxygen is a ______ in respiration.


Give an example of a reaction where the following are involved

Electricity


Give reason for the following:

Silver nitrate solution is kept in coloured bottles.


State the following reaction represent oxidation or reduction.

\[\ce{Cl- ->Cl}\]


State the following reaction represent oxidation or reduction.

\[\ce{Ag->Ag+}\]


Select the correct answer from the options given below:

State the gaseous product formed, when

An active metal reacts with dilute sulphuric acid.


Name the solid residual product formed reaction and state its colour during – thermal decomposition of the following substance.

Lead nitrate.


______ gas causes tears in our eyes while cutting onions.


Higher order Thinking question

A very hot glass on putting in cold water cracks. What does this change indicate?


Assertion: The formation of iron oxide from iron is a chemical change.

Reason: For the rust to form from iron, it must be exposed to air and water.


Burning of paper is the best example of ______ change.


Water boiling into water vapour is an example of chemical change.


Beating an egg to make a cake is a ______.


Heat may evolve or be absorbed during a ______ change.


Write a note on the catalyst.


Chemical changes are important in our day-to-day life. Give examples.


Write the characteristics of chemical change.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×