Home
Class 11
CHEMISTRY
Regarding silica I) Quartz is amorphou...

Regarding silica
I) Quartz is amorphous form of silica
II) Silica dissolves in NaOH
III) Silica dissolves in HF
The correct combination is 

A

all are correct

B

II & III are correct

C

III are correct

D

I & III are correct

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • ELEMENTS OF CARBON FAMILY

    AAKASH SERIES|Exercise OBJECTIVE EXERCISE - 2 (SIMILARITIES AND DISSIMILARITIES)|8 Videos
  • ELEMENTS OF CARBON FAMILY

    AAKASH SERIES|Exercise OBJECTIVE EXERCISE - 2 (SILICONES, SILICATES AND ZEOLITES)|5 Videos
  • ELEMENTS OF CARBON FAMILY

    AAKASH SERIES|Exercise OBJECTIVE EXERCISE - 2 (CARBON)|7 Videos
  • ELEMENTS OF BORON FAMILY

    AAKASH SERIES|Exercise OBJECTIVE EXERCISE - 3|7 Videos
  • ENVIRONMENTAL CHEMISTRY

    AAKASH SERIES|Exercise EXERCISE ON PASSAGE (PASSAGE-III)|5 Videos

Similar Questions

Explore conceptually related problems

Show that crystalline silica (quartz) and amorphorphous silica are different.

In the statements regarding P_(4) molecule I) The oxidation state is zero II) The covalency is 4 III) The P-hat(P) bond angle 60^(@) The correct combination is

The following are some statements about graphite I) Used as a lubricant II) Used in lead pencils III) It has sp hybridised carbons The correct combination is

The statements regarding N, molecule are I) The Bond energy is 945. 4 KJ/mole II) It has triple bond III)It contains 2sigma and 1pi bond The correct combination is

Regarding diamond I) C-C bond length is 1.54Å II) It has least refractive index among solids III) It has a 3-dimensional structure. The correct combination is