English

Give an Example of Each of the Following Chemical Changes: Two Gases Combine to Form White Solid - Chemistry

Advertisements
Advertisements

Question

Give an example of the following chemical change.

Two gases combine to form white solid

One Line Answer

Solution

\[\ce{Nh3_(_g_) + HCI_(_g_) ⇌ NH4CI_(_s_)}\]

shaalaa.com
  Is there an error in this question or solution?
Chapter 2: Chemical Changes and Reactions - Exercise 2 (A) [Page 23]

APPEARS IN

Selina Concise Chemistry [English] Class 9 ICSE
Chapter 2 Chemical Changes and Reactions
Exercise 2 (A) | Q 5.3 | Page 23

RELATED QUESTIONS

FILL IN THE BLANK

Negatively charged ions are called ..........


TRUE \ FALSE

Weak electrolytes dissociate partially in their aqueous or fused state.


Write true or false.

A chemical equation gives only qualitative information of a chemical reaction.


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

Fe + CuSO4 → FeSO4 + Cu


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.


State the conditions necessary for a chemical change or reaction.


Name: A brown gas 


Write your observation and a balanced equation in the case of the following substances being heated.

Copper nitrate. 


Select the correct answer for the following options:

The basic gas obtained when two gases react in presence of a catalyst and the reaction is exothermic.


Complete the table given below.

Flame test for calcium chloride Acid used for flame test  

State the following reaction represent oxidation or reduction.

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


Give a suitable example with an equation to show the representation of a chemical reaction.


What happens when cane sugar is strongly heated? Mention any two changes in it.


Which of the following is a chemical change?


Give two examples for each of the following cases:

Chemical changes.


Magnesium + oxygen → magnesium oxide.

2Mg + O2 → 2Mg O


Is the conversion of milk into ice cream a chemical change?


Write the chemical reaction of baking soda with lemon.


Write the equation for the process of formation of rust.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×