Tommy. admin quiz về khoa học

What is this?

• No

• Doesn't

• Medical glove

What is included in the optical microscope?

• eyepiece, lens, rotary disc with objective lenses, glass tray, objective lens, primary screw, micro-level screw, switch, eyepiece

• ??

• Optical microscope

What is the magnification of the compound microscope?

• Compound microscope with a magnification of 10x

• Microscope with a magnification of 100t

• Stereo microscope with a magnification of 100x

What is this?

• ??

• Mercury planet

• Red mercury

What is this?

• Red Mercury

• Mercury

• Mercury planet

• White mercury

What is this?

• ionic compounds

• Compound

• Red mercury

Is this an ionic compound?

• No, this is a chemical bond

• Yess

What is the name of this item?

What is nitrate salt?

• Nitrate is an ionic compound containing NO3- nitrate ions and corresponding positive ions, such as the NH4+ ions in ammonium nitrate.

• ??

• Ntrate salt is metal

What is this?

• Sodium nitrate

• White mercury

• Nitrate salt