Science Quiz 139

This is a timed quiz. You will be given 15 seconds per question. Are you ready?

The gases used in different types of welding would include?

Oxygen, acetylene and argon

Oxygen and acetylene

Oxygen and hydrogen

None

Correct! Wrong!

Which of the following was to be discovered first in the chromospheres of the sun?

Neon

Helium

Xenon

All of the above

Correct! Wrong!

Chlorophyll is a naturally occurring chelate compound in which central metal is?

Copper

Iron

Magnesium

None

Correct! Wrong!

Which of the following are the ingredients of gun metal?

Copper, Tin

Iron, Brass, Tin

Iron, tin

All of these

Correct! Wrong!

The group of metals Fe, Co, Ni may best called as?

Transition metals

Main group metals

Alkali metals

None

Correct! Wrong!

For galvanizing iron which of the following metals is used?

Lead

Zinc

Copper

None

Correct! Wrong!

Non stick cooking utensils are coated with?

Teflon

Magnalium

Invar

None

Correct! Wrong!

Permanent hardness of water may be removed by the addition of ?

Sodium carbonate

Alum

Lime

None of these

Correct! Wrong!

Science Quiz 139

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Science Quiz 139

The gases used in different types of welding would include?

Which of the following was to be discovered first in the chromospheres of the sun?

Chlorophyll is a naturally occurring chelate compound in which central metal is?

Which of the following are the ingredients of gun metal?

The group of metals Fe, Co, Ni may best called as?

For galvanizing iron which of the following metals is used?

Non stick cooking utensils are coated with?

Permanent hardness of water may be removed by the addition of ?

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Science Quiz 139

The gases used in different types of welding would include?

Which of the following was to be discovered first in the chromospheres of the sun?

Chlorophyll is a naturally occurring chelate compound in which central metal is?

Which of the following are the ingredients of gun metal?

The group of metals Fe, Co, Ni may best called as?

For galvanizing iron which of the following metals is used?

Non stick cooking utensils are coated with?

Permanent hardness of water may be removed by the addition of ?

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