Related Questions

To check acidity, one had better ------litmus paper.
A using
B useful
C usable
D use
To check acidity, one had better_____a litmus paper.
A suing
B use
C to use
D useful
The litmus paper utilized in the chemical laboratories is made of :
A Fern
B Algae
C Lichen
D Fungi
Price of paper has increased by 20%. Approximately, what percent of the paper usage must be curtailed so that the expenditure for paper remains the same?
A 8.66%
B 12.33%
C 16.66%
D 17.33%
Acidity in water is caused due to
A Mineral acids
B Free CO2
C Aluminium sulphate
D All the above
The most common cause of acidity in water is
A Carbon dioxide
B Oxygen
C Hydrogen
D Nitrogen
In __________ process, ions of salts react with water to produce acidity or alkalinity.
A Hydration
B Hydrolysis
C Electrolysis
D Dialysis
The apparatus used to test acidity of aqueous solution is
A PH meter
B Ammeter
C Hygrometer
D Acidmeter
কোন যৌগ সাধারণত মাটির অম্লতা কমাতে যোগ করা হয়? (Which compound is usually added to soil to reduce its acidity?)
A Al (OH)3 
B Ca (OH) 2
C Mg (OH) 2
D NaOH
Sunil entered a shopping center and spent one half of the money that he had. When he finished his purchase he found that he had as many paise as he had rupees and half as many rupees as he had paise when he went. How much money did he have when he entered?
A Rs. 75.50
B Rs. 98.98
C Rs. 99.98
D None of these

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