ALL IN ONE ISC Chemistry CLASS 11>Chapter 10 - The s-Block Elements>Chapter Practice>Q 15

HARD

11th ICSE

IMPORTANT

Earn 100

Account for the fact that the basicity of the alkali metal hydroxides increases down the group.

Important Questions on The s-Block Elements

HARD

11th ICSE

IMPORTANT

ALL IN ONE ISC Chemistry CLASS 11>Chapter 10 - The s-Block Elements>Chapter Practice>Q 15

Why are group 1 elements called alkali metals?

HARD

11th ICSE

IMPORTANT

ALL IN ONE ISC Chemistry CLASS 11>Chapter 10 - The s-Block Elements>Chapter Practice>Q 16

Write equations for thermal decomposition of

({NH}_{4}) 2 {BeF}_{4}

.

HARD

11th ICSE

IMPORTANT

ALL IN ONE ISC Chemistry CLASS 11>Chapter 10 - The s-Block Elements>Chapter Practice>Q 16

Which of the following has highest solubility and why?

${BaSO}_{4}, {MgSO}_{4}, {CaSO}_{4}$

HARD

11th ICSE

IMPORTANT

ALL IN ONE ISC Chemistry CLASS 11>Chapter 10 - The s-Block Elements>Chapter Practice>Q 17

Describe two important uses of the following: Caustic soda or sodium hydroxide.

HARD

11th ICSE

IMPORTANT

ALL IN ONE ISC Chemistry CLASS 11>Chapter 10 - The s-Block Elements>Chapter Practice>Q 17

Describe two important uses of sodium carbonate.

HARD

11th ICSE

IMPORTANT

ALL IN ONE ISC Chemistry CLASS 11>Chapter 10 - The s-Block Elements>Chapter Practice>Q 17

Describe two important uses of quick lime or calcium oxide.

HARD

11th ICSE

IMPORTANT

ALL IN ONE ISC Chemistry CLASS 11>Chapter 10 - The s-Block Elements>Chapter Practice>Q 18

What is cement? Give the chemistry involved during manufacturing of cement?

HARD

11th ICSE

IMPORTANT

ALL IN ONE ISC Chemistry CLASS 11>Chapter 10 - The s-Block Elements>Chapter Practice>Q 19

Answer the following

What is hydrolith?