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Acids, Alkalis, Salts and Indicators
Quiz by DARREN ATWAROO
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15 questions
Show answers
- Q1Acids tastesourbittersaltysweet30s
- Q2Acids react withbases to produce salts and watersalts to produce bases and water.neither bases, salts, nor waterwater to produce bases and salts.30s
- Q3How will acids react with moist Red litmus paper?turn it into purpleturn it into blueNo changeturn it into green30s
- Q4Complete the equation:… Magnesium + hydrochloric acid —> ……..+ waterMagnesium chloriteMagnesium hydrochlorideMagnesium chlorideMagnesium chlorate30s
- Q5An alkali is able to “cancel” out an acid. What is the chemical name for cancelling out the acid?neutraliseannihalatenullifyovercome30s
- Q6In an experiment some pupils found that baking soda had a pH of about 9. Some people claim this substance can be used to treat bee stings. Bee stings must belife threateningacidneutralalkaline30s
- Q7What does this paper indicate?The liquid is waterThe paper is nonreactiveThe liquid is acidicThe liquid is alkaline30s
- Q8A purple colour when using universal indicator indicates the solution isneutralblackcurrant juiceacidicalkali30s
- Q9What does lemon juice contain to make it acidic?sodium hydroxidehydrochloric acidcitiric acidbaking soda30s
- Q10Milk of magnesia is a medicine used to treat indigestion. Milk of magnesia is most likely to beacidicneutralfrom a cowalkali30s
- Q11What number on the scale represents a neutral level?1417830s
- Q12And speaking about neutral, what color represents neutral on the pH scale?purpleyellowgreenred30s
- Q13What salt is formed between the reaction of Hydrochloric acid and Sodium hydroxide?Calcium chlorideSodium chlorideCopper sulphateSodium sulphate30s
- Q14Where would you expect to find an acidic result on the pH scale?Towards the higher numbersTowards the lower numbersIn the middle30s
- Q15Alkalis can be used to makesoapsbatteries for vehiclesfruit juicesketchup30s