Question

Choose the best answer.
Crystals have the following characteristics except having ________________________
straight edges c. geometrical shapes
flat surfaces d. fixed sizes
The shape of a sodium chloride crystal is ___________cubic____________
cubic c. tetragonal
pyramidal d. hexagonal
Seeding’ can be used to form ______________________________
Many small crystals c. crystals that look like seeds
A single large crystal d. a few large crystals
All the crystals of the same substance have _____________________________
the same shape and size c. the same size but different shapes
the same shape but different sizes d. different shapes and sizes
Which of the following substances is produced through crystallization?
Glass c. Gunpowder
Silicon wafers d. Chlorine
Iodine crystals are formed when __________________________
iodine reacts with acids c. iodine dissolves in alcohol
iodine vapour solidifies d. solid iodine sublimes

please tell the correct answers thankyou

Answer 1

Answer:

sorry but I don't know

please do one think please take a pic of page which you are ask .

Answer 2

Answer:

straight edges

Explanation:

because there edges are straight