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

HARD

11th ICSE

IMPORTANT

Earn 100

Compare the action of heat on ${LiNO}_{3}$ and ${NaNO}_{3}$ .

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 12

Why does lithium form monoxide while sodium form peroxides?

HARD

11th ICSE

IMPORTANT

ALL IN ONE ISC Chemistry CLASS 11>Chapter 10 - The s-Block Elements>Chapter Practice>Q 13

What happens, when (give chemical equations only)

Gypsum is heated very strongly?

HARD

11th ICSE

IMPORTANT

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

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

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 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?

HARD

11th ICSE

IMPORTANT

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

Answer the following.

Which out of ${Mg}^{2 +}$ , ${Ba}^{2 +}$ , ${Ca}^{2 +}$ has maximum ionic mobility in water?