Ali faisal CAT 1-term 3

The reaction between acid and base is called:

• Titration

• Evaporation

• Crystallization

   

• Neutralization

Which of the following reactions does not produce gas?

 

• Metal carbonate and acid

• Metal and acid

   

• Metal oxide and acid

• None of the above

The maximum concentration of salt in the Arabian Gulf water was 57 g/l along the southern coast in 1990. What is the mass of salt in 2 liters of Arab Gulf water?

• 57 g

• 28.5 g

• 114 g

• 34.91 g

Name an instrument that was used in the experiment above.  

The mass of sugar that is presented in one can of coca cola.

• 40 g

• 35 g

• 30 g

• 5 g

The volume of the solution in the coca cola can in liters

• 0.33 L

• 3.3 L

• 330 L

• 330000 L

The concentration of sugar in the coca cola can.

• C= 106.1 g/L

• C= 0.009 L/g

• C= 0.009 g/L

• C= 106.1 L/g

Bonus question

On the 7up can, draw  to represent the amount sugar that is presented in the 7up can.

Show your calculations. Knowing that each  represents 5 grams of sugar.

Note: you can round to the nearest whole number.

What is the volume of base added from the burette?

• 13 mL

• 15 mL

• 20 mL

• 0 mL

Hydrochloric acid + sodium carbonate --> ……………… + …………….. + …………..

• Water + sodium sulfate + hydrogen

• Water + carbon dioxide + sodium chloride

• Water + carbon dioxide + sodium nitrate

• Water + oxygen + sodium chloride