Untitled Quiz

A collection of stars, dust, and gases is know as a(n) _______.

• black hole

• red shift

• quasar

• galaxy

aging of starch gel leads to loss of moisture is

• retrogradation

• denaturation

• syneresis

• gelation

Addition of sugar to starch results in .........gel on cooling

• very rigid

• less rigid

• no change

Swelling of starch on application of moist heat is

• gelation

• gelatinization

• retrogradation

• dextrinization

Shrinkage of starch based product is

• gelation

• syneresis

• retrogradation

Which material is best at conducting heat?

• Polystyrene

• Brass

• Air

• A t-shirt

Which of the following give the charges in order for the proton, neutron and electron?

• +1, 0, -1

• 0, +1, -1

• -1, +1, +1

• +1, +1, -1

The biggest asteroid known is ____.

• Vesta

• Icarus

• Ceres

• Eros

The mass number of an element tells us...

• the number of protons in the nucleus

• the number of protons in the nucleus

• the number of neutrons plus electrons

• the number of neutrons plus protons

A substance with a pH of 6 is...

• a weak acid

• a strong acid

• a weak alkali

• neutral