मराठी

State the Information Conveyed by the Following Equation: Zn(S) + 2hcl(Aq) → Zncl2(Aq) + H2 ↑

Advertisements
Advertisements

प्रश्न

State the information conveyed by the following equation:

Zn(s) + 2HCl(aq) → ZnCl2(aq)  + H2 ↑

एका वाक्यात उत्तर
Advertisements

उत्तर

A solid metal zinc reacts with hydrochloric acid in the aqueous state to produce zinc chloride in the aqueous state and hydrogen gas.

shaalaa.com
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 1: The Language of Chemistry - Exercise 1 (B) [पृष्ठ १५]

APPEARS IN

सेलिना Concise Chemistry [English] Class 9 ICSE
पाठ 1 The Language of Chemistry
Exercise 1 (B) | Q 2 | पृष्ठ १५

संबंधित प्रश्‍न

Translate the following statement into a chemical equation and then balance the equation:

Phosphorus burns in oxygen to give phosphorus pentoxide.


Balance the following equation:

\[\ce{BaCl2 + H2SO4 -> BaSO4 + H2O}\]


Which of the following does not involve a chemical reaction?


When the solution of substance X is added to a solution of potassium iodide, then a yellow solid separates out from the solution.

  1. What do you think substance X is likely to be?
  2. Name the substance which the yellow solid consists of.
  3. Which characteristic of chemical reactions is illustrated by this example?
  4. Write a balanced chemical equation for the reaction which takes place. Mention the physical states of all the reactants and products involved in the chemical equation.

When water is added gradually to a white solid X, a hissing sound is heard and a lot of heat is produced forming a product Y. A suspension of Y in water is applied to the walls of a house during white washing. A clear solution of Y is also used for testing carbon dioxide gas in the laboratory.

  1. What could be solid X? Write its chemical formula.
  2. What could be product Y? Write its chemical formula.
  3. What is the common name of the solution of Y which is used for testing carbon dioxide gas?
  4. Write chemical equation of the reaction which takes place on adding water to solid X.
  5. Which characteristic of chemical reactions is illustrated by this example?

To determine the percentage of water absorbed by raisins, raisins are soaked in water for: 


Balance the following equation:

P + HNO3 → NO2 + H2O + H3PO4


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:

CaO  +  HCl  →  CaCl2  +  H2


What is a chemical equation?


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×