Acids, Bases, and Salts: MCQ Test
25 questions · pick one option for each · submit when you finish to see your score and the correct answers.
Question 1 of 25
The pH value of blood is_
- A5
- B6.4
- C7.4
- D8
Question 2 of 25
Mohr Salt is—
- ASimple salts
- Bhybrid salts
- Cdouble salt
- Dcomplex salts
Question 3 of 25
The substance formed as a result of the reaction of acid and ashes is called_
- Aacid
- Bsalt
- CEaster
- Dalcohol
Question 4 of 25
Turns blue litmus paper red
- Aacid
- Bashes
- Calkali
- Dsalt
Question 5 of 25
The pH value of an alkaline solution is ____
- ALess than 7
- BMore than 7
- CZero
- D7
Question 6 of 25
Which of the following reactions produces insoluble salts?
- Aneutralization reaction
- BOxidation
- CPrecipitation reaction
- Dreduction
Question 7 of 25
The pH of pure water is_
- A0
- B1
- C7
- D14
Question 8 of 25
The pH value of milk is ____
- A6.1
- B6.6
- C7.4
- D8
Question 9 of 25
The aqueous solution of which of the following salts turns red litmus blue?
- ANa²CO³
- BNaHCO³
- CNa²CO³ 10H₂O
- DAll of the above
Question 10 of 25
The salt which absorbs water is called ____.
- AHygroscopic salts
- BAnhydrous salts
- Chydrophilic salts
- Dhydrophobic salts
Question 11 of 25
Which ion is present in the aqueous solution of ashes?
- AH+
- BH-
- COH-
- DOH+
Question 12 of 25
The salts which are free from acidic hydrogen atom or hydroxyl ion are called ____
- Acommon salt
- BAcid salts
- CBhasmic Salt
- Dmixed salts
Question 13 of 25
Who first said that hydrogen is an essential component of all acids?
- AArrhenius
- BBronsted
- CDavy
- DLullaby
Question 14 of 25
Which of the following statements is correct?
- AAlkalis have a soapy consistency
- BBase turns red litmus blue
- CAll alkalis are ash but all ash are not alkalis
- DAll of the above
Question 15 of 25
The pH value of a liquid was found to be 7. Which liquid is it possibly?
- AWater
- Bacid
- Calkali
- DSaline
Question 16 of 25
Acid is a substance that_
- Aaccepts electrons
- Bprovides electrons
- Cdonates protons
- Dgives OH ions
Question 17 of 25
A solution with a pH equal to zero is
- Ahighly alkaline solution
- Bhighly acidic solution
- Cweakly acidic solution
- Dneutral solution
Question 18 of 25
Which of the following statements is/are correct? 1. Acids taste sour and release H' ions. 2. Acids taste sour and release OH ions. 3. Bases taste bitter and release OH ions. Code:
- AOnly 1 and 3.
- B1 and 2 only
- C2 and 3 only
- D1, 2 and 3 all
Question 19 of 25
Which instrument is used to test the acidity of an aqueous solution?
- AHygrometer
- BAcidometer
- CpH meter
- DAmmeter
Question 20 of 25
Which of the following is an 'acidic salt'?
- AHCIO
- BAgBr
- CHFN
- DHA²CO³
Question 21 of 25
The pH value indicates ______.
- AThe quality of the chemical used to make the photo from the negative
- BThe acidic or alkaline nature of a solution
- Cearthquake intensity rating
- DMilk purity rating
Question 22 of 25
Water soluble ash (base) is called_
- Aacid
- Balkali
- Csalt
- DNone of these
Question 23 of 25
All acids dissolve in water to give ______.
- AOH- ions
- BH+ ions
- Celectron
- DNeutron
Question 24 of 25
An example of a complex salt is—
- AK⁴ [Fe(CN)⁶]
- BK²[Hgl⁴]
- C[Ag(NH³)²]C
- Dall of which
Question 25 of 25
The ashes have a taste
- Asaline
- BTart
- CSweet
- Dtasteless