0 [{"id":31389,"quiz_id":"2862","answer_id":null,"answerType_id":"3","created_at":"2016-02-06 15:43:12","updated_at":"2016-02-06 15:47:49","questionName":"Put these in order of the most acidic to the most alkaline","questionTimeSeconds":"0","questionTimeMinutes":"5","questionImagePath":null,"position":2,"explanation":null,"question_score_id":null,"lang":null,"questionAudioPath":null},{"id":31387,"quiz_id":"2862","answer_id":null,"answerType_id":"1","created_at":"2016-02-06 15:17:48","updated_at":"2016-02-06 15:47:49","questionName":"What does this symbol mean?","questionTimeSeconds":"0","questionTimeMinutes":"2","questionImagePath":"uploads\/7e-acids-alkalis\/harmfulirritant.jpg.jpg","position":0,"explanation":null,"question_score_id":null,"lang":null,"questionAudioPath":null},{"id":31392,"quiz_id":"2862","answer_id":null,"answerType_id":"0","created_at":"2016-02-06 15:52:53","updated_at":"2016-02-06 15:52:53","questionName":"Alkalis:","questionTimeSeconds":"0","questionTimeMinutes":"2","questionImagePath":null,"position":null,"explanation":null,"question_score_id":null,"lang":null,"questionAudioPath":null},{"id":31391,"quiz_id":"2862","answer_id":null,"answerType_id":"0","created_at":"2016-02-06 15:51:26","updated_at":"2016-02-06 15:51:26","questionName":"Acids:","questionTimeSeconds":"0","questionTimeMinutes":"2","questionImagePath":null,"position":null,"explanation":null,"question_score_id":null,"lang":null,"questionAudioPath":null},{"id":31394,"quiz_id":"2862","answer_id":null,"answerType_id":"0","created_at":"2016-02-06 15:55:57","updated_at":"2016-02-06 15:55:57","questionName":"Acids taste:","questionTimeSeconds":"0","questionTimeMinutes":"2","questionImagePath":null,"position":null,"explanation":null,"question_score_id":null,"lang":null,"questionAudioPath":null},{"id":31388,"quiz_id":"2862","answer_id":null,"answerType_id":"1","created_at":"2016-02-06 15:35:11","updated_at":"2016-02-06 15:47:49","questionName":"What does this symbol mean?","questionTimeSeconds":"0","questionTimeMinutes":"2","questionImagePath":"uploads\/7e-acids-alkalis\/corrosive.jpg.jpg","position":1,"explanation":null,"question_score_id":null,"lang":null,"questionAudioPath":null},{"id":31393,"quiz_id":"2862","answer_id":null,"answerType_id":"0","created_at":"2016-02-06 15:55:02","updated_at":"2016-02-06 15:55:02","questionName":"The hazard warning signs on chemical tankers:","questionTimeSeconds":"0","questionTimeMinutes":"2","questionImagePath":null,"position":null,"explanation":null,"question_score_id":null,"lang":null,"questionAudioPath":null},{"id":31390,"quiz_id":"2862","answer_id":null,"answerType_id":"0","created_at":"2016-02-06 15:47:22","updated_at":"2016-02-06 15:47:49","questionName":"What are the uses of neutralisation?","questionTimeSeconds":"30","questionTimeMinutes":"2","questionImagePath":null,"position":3,"explanation":null,"question_score_id":null,"lang":null,"questionAudioPath":null},{"id":31395,"quiz_id":"2862","answer_id":null,"answerType_id":"0","created_at":"2016-02-06 15:57:55","updated_at":"2016-02-06 15:57:55","questionName":"The name of an acid in lemon juice is:","questionTimeSeconds":"0","questionTimeMinutes":"2","questionImagePath":null,"position":null,"explanation":null,"question_score_id":null,"lang":null,"questionAudioPath":null}]

block

Put these in order of the most acidic to the most alkaline

Match the text (click and drag)   

(0/0)

Check Order Of Answers

---

Match the Text
1
2
3
4
5
6
7
8
9
10
11
12

Click and drag
pure water
oven cleaner
blood
vinegar
stomach acid
skin
indigestion powder
lemon juice
milk
washing powder
fizzy drinks
toothpaste

Check Order of Answers

none

What does this symbol mean?

Fill in the blanks  

(0/0)

Check All Answers

---

Check Answer

---

Check All Answers

none

Alkalis:

Select the correct answer(s).  

(0/0)

---

can be more dangerous than acids.

are always more dangerous than acids.

are much safer than acids.

are not allowed to e transported by road.

none

Acids:

Select the correct answer(s).  

(0/0)

---

are always dangerous.

can be made safe by heating them.

are more dangerous when diluted than when concentrated.

are more dangerous when concentrated than when diluted.

none

Acids taste:

Select the correct answer(s).  

(0/0)

---

sharp.

salty.

sweet.

bitter.

none

What does this symbol mean?

Fill in the blanks  

(0/0)

Check All Answers

---

Check Answer

---

Check All Answers

none

The hazard warning signs on chemical tankers:

Select the correct answer(s).  

(0/0)

---

allow the police to check the speed of the tanker.

help the emergency services deal with a spillage if there is an accident.

tell the driver of the lorry what the maximum safe driving speed is.

tell other drivers the distance to stay back from the lorry.

none

What are the uses of neutralisation?

Select the correct answer(s).  

(0/0)

---

when dealing with insect stings and bites

to destroy substances

to fertilise soil to grow crops in

to keep foods such as jam at the correct pH

to kill off insects

in gardening and agriculture, to make sure the soil is the correct pH

to make explosives

to control indigestion caused by excess acid in the stomach

none

The name of an acid in lemon juice is:

Select the correct answer(s).  

(0/0)

---

sulphuric acid.

citric acid.

hydrochloric acid.

acetic acid.