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gamaEARTH

Total questions: 10

Worksheet time: 10mins

Name
Class
Date
1.

where does FABA come from

a)

Gas emiited from decomposing unorganic material

b)

Combustion of pulverized coal

c)

Mining waste

d)

I forgot

2.

faba can be used after it is reprocessed into?

a)

Utensil material

b)

Fuel material

c)

Pavement

d)

Fertilizer

3.

what isn't the effects caused by coal ash to human health?

a)

Liver damage

b)

Dizziness

c)

Cancer

d)

Cataract

4.

Fly ash is divided into 2 variety

a)

True

b)

False

5.

C type fly ash is known as high calcium fly because?

a)

It contains more than 10% of calcium hydroxide (Ca(OH)2)

b)

It contains more than 10% of calcium oxide (CaO)

c)

It contains more than 10% of calcium peroxide (CaO2)

d)

It contains more than 10% of calcium sulfide (CaS)

6.

what reaction give the mechanical properties of bottom ash concrete good strength?

a)

The vilsmeier reaction

b)

The diazotisation reaction

c)

The wurtz reaction

d)

The pozzolanic reaction

7.

Indonesia has declared that FABA is no longer a B3 waste by issuing government regulation, which regulation is it?

a)

PP 15 2011

b)

PP 12 2016

c)

PP 25 2019

d)

PP 22 2021

8.

What makes fly ash so dangerous, except?

a)

It can increased cellularity of the centriacinar (bronchiole-alveolar duct) region

b)

It can cause liver damage in long term

c)

It can cause cardiac arrhythmia in long term

d)

It can cause brain damage in long term

9.

Fly ash and bottom ash can be used to make?

4 lines
10.

Type F fly ash contains less calcium oxide than typ C. What is the connection between and cementation properties?

4 lines