CHEMISTRY

Mr. Tom is going to the laboratory to experiment but he forgot two pieces of equipment that he should wear . Which of the following are they ?

• gloves and shoes

• hat and mask

• gloves and mask

Answer explanation

WELL DONE ! :)

What does this danger sign in the picture mean ?

• TOXIC

  A chemical that can harm you if you touch or inhale it.

• CORROSIVE

  It means , this chemical attract your skin if you get on you.

• EXPLOSION

  It means that this chemical can be explode.

Answer explanation

CORRECT ANSWER :)

Why are chemical danger symbols important?

• Because they are colorful and fun.

• Because they help us pay attention to chemicals in our daily lives.

• Because they are difficult to learn.

Answer explanation

Yes , this is the correct answer because they make us pay attention to chemicals. Also learning this symbols is NOT difficult :)

Which of the following is NOT one of the things we should do after touching a dangerous chemical?

• Calling for help or dialing 112.

  
  

• Cleaning the affected areas with plenty of water.

  
  

• Panicking and rushing around.

  You

Answer explanation

If you touched a dangerous chemical, please don't panic and rush around because it will cause more harm to yourself. Just wash the affected area with plenty of water and wait for help to arrive .

STAY CALM , DO NOT PANIC :)

Which of the following could happen when you see this danger symbol?

• 
• 
• 

Which of these answers DOES NOT fit the question "Why should kids learn about chemistry?"

• To understand the world better.

• To make risky experiments alone.

• To keep themselves safe.

Answer explanation

Never do experiments alone without any authorized person (like a teacher) with you. It can be very dangerous for a child / for you.

What does this symbol mean?

• Wear gloves.

• Wear safety glasses or goggles .

• Wear mask.

Answer explanation

.CORRECT ! :)

What do these symbols tell us?

• We should smell that chemical.

• We should avoid touching that substance.

• We want to touch that chemical."

Answer explanation

CORRECT :)