Uses of HCl
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Noble metals like gold and platinum can be dissolved in :
Nitric Acid
Muriatic Acid
Aqua Regia
Club Soda
Hydrochloric acid is secreted in the stomach..
- True
- False
Where is HCl used in the textile industry?
For bleaching (of clothes).
For drying.
For washing.
For removing impurities in the fabric.
Write a note on Aqua Regia? Give one use of it?
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(a) What two mistakes do you notice in the arrangement?
(b) Name the reactants.
(c) In what proportion are the reactants taken in this process?
(d) What is the function of platinum gauze in this process?
(e) What is the function of quartz packing in the absorption tower?
Which of the following is/are the uses of chlorine?
Used for bleaching
Used for water purification
Used in the preparation of insecticides
Used for removing stain
Hydrochloric acid is used to purify
table salt
rubber
metals
rice
(b) What is the function of enzymes in the human digestive system?
- Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
- Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
- Assertion is correct but Reason is incorrect
- Both Assertion and Reason are incorrect
Noble metals like gold and platinum can be dissolved in :
Nitric Acid
Sulphuric Acid
Aqua Regia
Club Soda
Where can we find the use of HCl?
Refrigerant in ice plants
Extraction of glue from bones.
Manufacture of washing soda
Flavouring foods as vinegar
Where is dilute hydrochloric acid present in the human body?
Liver
Stomach.
Mouth
Small interstine
Hydrochloric acid is used to purify
table salt
rubber
metals
rice
Bleaching powder is usedfor disinfecting water. Give reason.
- Digestion
- Pickling
- Preparing NaCl
- PVC manufacture
- Leather tanning
- Reduce acidity
- Increase pH
- Dehydration
Noble metals like gold and platinum can be dissolved in :
Nitric Acid
Aqua Regia
Sulphuric Acid
Club Soda