MEDIUM
10th CBSE
IMPORTANT
Earn 100

In washing powders certain chemicals are added to impart the under-mentioned property. Name the chemical used for the purpose.

Keep the washing powder dry.

50% studentsanswered this correctly

Important Questions on Carbon and its Compounds

MEDIUM
10th CBSE
IMPORTANT
Secondary Chemistry Class X>Chapter 4 - Carbon and its Compounds>FORMATIVE ASSESSMENT QUESTIONS FOR CCE>Q 7

In washing powders certain chemicals are added to impart the under-mentioned property. Name the chemical used for the purpose.

Impart whiteness.

MEDIUM
10th CBSE
IMPORTANT
Secondary Chemistry Class X>Chapter 4 - Carbon and its Compounds>FORMATIVE ASSESSMENT QUESTIONS FOR CCE>Q 8
Soaps are not effective cleansing agents in hard water. Explain.
MEDIUM
10th CBSE
IMPORTANT
Secondary Chemistry Class X>Chapter 4 - Carbon and its Compounds>FORMATIVE ASSESSMENT QUESTIONS FOR CCE>Q 9
Explain the formation of scum when soap is added to hard water.
HARD
10th CBSE
IMPORTANT
Secondary Chemistry Class X>Chapter 4 - Carbon and its Compounds>SUMMATIVE ASSESSMENT QUESTIONS (As Per the Guidelines of the CBSE on CCE)>Q 1
Which one of ethane, ethene and ethyne will form a white precipitate with ammoniacal solution of silver nitrate?
HARD
10th CBSE
IMPORTANT
Secondary Chemistry Class X>Chapter 4 - Carbon and its Compounds>SUMMATIVE ASSESSMENT QUESTIONS (As Per the Guidelines of the CBSE on CCE)>Q 2
Which one of alkane, alkene and alkyne will not decolourise bromine solution?
EASY
10th CBSE
IMPORTANT
Secondary Chemistry Class X>Chapter 4 - Carbon and its Compounds>SUMMATIVE ASSESSMENT QUESTIONS (As Per the Guidelines of the CBSE on CCE)>Q 3
Identify the formula of alkane, alkene and alkyne from C2H2, C2H6 and C2H4.
MEDIUM
10th CBSE
IMPORTANT
Secondary Chemistry Class X>Chapter 4 - Carbon and its Compounds>SUMMATIVE ASSESSMENT QUESTIONS (As Per the Guidelines of the CBSE on CCE)>Q 4
Name a reagent which is used to distinguish between ethene and ethyne. (Ammoniacal silver nitrate/Chloroform)
MEDIUM
10th CBSE
IMPORTANT
Secondary Chemistry Class X>Chapter 4 - Carbon and its Compounds>SUMMATIVE ASSESSMENT QUESTIONS (As Per the Guidelines of the CBSE on CCE)>Q 5
Name the reagent with which ethyne gives a red precipitate.(Ammoniacal copper (I) chloride/Ammoniacal copper (II) chloride)