Chemistry
Grade-10
Easy
Question
Which of the following has the highest pH value?
- HCl
- NaOH
- Ca(OH)2
- CH3COOH
Hint:
NaOH is a strong base that has a pH of more than 7.
The correct answer is: NaOH
- The bases are having pH of more than 7.
- The HCl is not a base, it is a strong acid.
- NaOH is a base that has a pH of more than 7
Related Questions to study
Chemistry
Rahul experimented, as shown in the following figure. He took some solutions and added phenolphthalein indicators to them. Identify the X, Y and Z in this experiment.
Rahul experimented, as shown in the following figure. He took some solutions and added phenolphthalein indicators to them. Identify the X, Y and Z in this experiment.
ChemistryGrade-10
Chemistry
Milk of magnesia turns
Milk of magnesia turns
ChemistryGrade-10
Chemistry
What is an indicator?
What is an indicator?
ChemistryGrade-10
Chemistry
The substance which does not show any color change when the indicator is added is called:
The substance which does not show any color change when the indicator is added is called:
ChemistryGrade-10
Chemistry
What color does acid turn litmus paper to ?
What color does acid turn litmus paper to ?
ChemistryGrade-10
Chemistry
In the presence of acid, the olfactory indicator:
In the presence of acid, the olfactory indicator:
ChemistryGrade-10
Chemistry
An element (B) reacts with oxygen to form (C), turning red litmus paper into blue. Identify the (B) and (C) from the following?
An element (B) reacts with oxygen to form (C), turning red litmus paper into blue. Identify the (B) and (C) from the following?
ChemistryGrade-10
Chemistry
A reaction between an acid and a base will always produce.
A reaction between an acid and a base will always produce.
ChemistryGrade-10
Chemistry
A teacher has arranged the following test tube set, as shown in the following figure. Based on this figure, identify the incorrect statements from the following.
I. China rose indicator turns magenta in test-tube D.
II. Turmeric paper turns red in test tubes A and C.
III. Phenolphthalein remains colorless in A and B.
IV. Methyl orange turns yellow in A and C.
A teacher has arranged the following test tube set, as shown in the following figure. Based on this figure, identify the incorrect statements from the following.
I. China rose indicator turns magenta in test-tube D.
II. Turmeric paper turns red in test tubes A and C.
III. Phenolphthalein remains colorless in A and B.
IV. Methyl orange turns yellow in A and C.
ChemistryGrade-10
Chemistry
pH stands for:
pH stands for:
ChemistryGrade-10
Chemistry
What is the property of bases?
What is the property of bases?
ChemistryGrade-10
Chemistry
What will happen if we mix a strong acid with an equally strong base?
What will happen if we mix a strong acid with an equally strong base?
ChemistryGrade-10
Chemistry
Which base is used in making alkali batteries?
Which base is used in making alkali batteries?
ChemistryGrade-10
Chemistry
Stomach acid is
Stomach acid is
ChemistryGrade-10
Chemistry
Which of the following statements is incorrect?
Which of the following statements is incorrect?
ChemistryGrade-10
