Related Questions

Collections of opals and quartz are featured at the City Museum's annual exhibition of precious stones.
A coins
B loot
C ornaments
D shells
Complete the analogous pair: QUARTZ: RADIO :: GYPSUM:?
A GLASS
B PORCELAIN
C CEMENT
D POWDER
In certain types of quartz, bands of colour form an irregular pattern.
A shades
B grains
C drops
D stripes
Quartz crystal is most commonly used in crystal oscillators because ___________
A It has superior electrical properties
B It is easily available
C It is quite inexpensive
D None of the above
Quartz is a crystalline form of
A Alumina
B Glass
C Silica
D Limestone
Piezoelectric quartz crystal resonators find application where
A Signal amplification is required
B Rectification of the signal is required
C Signal frequency control is required
D Modulation of signal is required
Quartz and Rochelle salt belongs to ___________ of piezo-electric materials
A Natural group
B Synthetic group
C Natural or Synthetic group
D Fiber group
The chemical name of quartz is
A Calcium oxide
B Calcium phosphate
C Sodium phosphate
D Sodium silicate
Quartz is made of
A Calcium Sulphate
B Calcium Silicate
C Sodium Sulphate
D Sodium Silicate
Quartz is
A Stable form of silica upto 870°C
B Converted to tridymite on firing between 870 to 1470°C
C Transformed to crystoballite on heating above 1470°C
D All of the above

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