Culture of the lab safety, Lab Equipment, NFPA code, SDS, Voc P1

The equipment shown is called​

• wire gauze
• ring stand
• sieve
• holder
• ceramic plate

Which one is a device used to measure the mass or "mass out" of an object or substance?​ ​ ​

(a)  

name of the recipient is

(a)  

Tags

NGSS.HS-PS3-4

What is used to dispense a small but accurate volume of a liquid?

(a)  

what tool is the correct one to use if we need to transfer solids to another containers?

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This tool is used​ for​ ​ ​ ​

• Holding 100 mL of water.
• Measuring and pouring 12 mL of a liquid.
• Measuring the temperature of hot water.
• Stirring
• Heating

Answer explanation

The item presented in the picture is called _____________

• crucible tongs

• clamp holder

• utility clamp

• condenser

A narrow-necked glass container, typically conical or spherical, used in a laboratory to hold reagents or samples.

• Beaker

• Graduated Cylinder

• Erlenmeyer Flask

• Volumetric Flask

Find the answers that fill in the blanks.

This tool, called ___________, is used to ___________

• tongs --- hold crucibles.

• test tube holder --- hold heated test tubes.

• beaker tongs --- hold heated beakers.

• crucible tongs --- remove crucibles from fire.

A substance that causes soreness or inflammation on contact is called a(n) _________.

• Teratogenic

• Lacrymator

• Carcinogenic

• Irritant