Iksita Singh

Charul gupta

Asked: October 18, 2020In: Class 10

Fresh milk has a pH of 6. How do you think the pH will change as it turns into curd? Explain your answer.

NCERT Solution for Class Tenth Science Chapter 2 Acids, Bases and Salts Exercises Questions Page No-19 Questions No-11

Charul gupta

Asked: October 18, 2020In: Class 10

Equal lengths of magnesium ribbons are taken in test tubes A and B. Hydrochloric acid (HCl) is added to test tube A, while acetic acid (CH3COOH) is added to test tube B. Amount and concentration taken for both the acids are same. In which test tube will the fizzing occur more vigorously and why?

NCERT Solution for Class Tenth Science Chapter 2 Acids, Bases and Salts Exercises Questions Page No-19 Questions No-10

Charul gupta

Asked: October 18, 2020In: Class 10

Five solutions A,B,C,D and E when tested with universal indicator showed pH as 4,1,11,7 and 9, respectively. Which solution is

NCERT Solution for Class Tenth Science Chapter 2 Acids, Bases and Salts Exercises Questions Page No-19 Questions No-9 (a) neutral? (b) strongly alkaline? (c) strongly acidic? (d) weakly acidic? (e) weakly alkaline? Arrange the pH in increasing order of hydrogen-ion concentration.

Charul gupta

Asked: October 18, 2020In: Class 10

Why do acids not show acidic behaviour in the absence of water?

NCERT Solution for Class Tenth Science Chapter 2 Acids, Bases and Salts Exercises Questions Page No-19 Questions No-8

Charul gupta

Asked: October 18, 2020In: Class 10

Why does distilled water not conduct electricity, whereas rain water does?

NCERT Solution for Class Tenth Science Chapter 2 Acids, Bases and Salts Exercises Questions Page No-18 Questions No-7

Charul gupta

Asked: October 18, 2020In: Class 10

Compounds such as alcohols and glucose also contain hydrogen but are not categorised as acids. Describe an Activity to prove it.

NCERT Solution for Class Tenth Science Chapter 2 Acids, Bases and Salts Exercises Questions Page No-18 Questions No-6

Bhavik

Asked: October 18, 2020In: Class 10

Write word equations and then balanced equations for the reaction taking place when –

NCERT Solution for Class Tenth Science Chapter 2 Acids, Bases and Salts Exercises Questions Page No-18 Questions No-5 (a) dilute sulphuric acid reacts with zinc granules. (b) dilute hydrochloric acid reacts with magnesium ribbon. (c) dilute sulphuric acid reacts with aluminium ...

Bhavik

Asked: October 18, 2020In: Class 10

Which one of the following types of medicines is used for treating indigestion?

NCERT Solution for Class Tenth Science Chapter 2 Acids, Bases and Salts Exercises Questions Page No-18 Questions No-4 (a) Antibiotic (b) Analgesic (c) Antacid (d) Antiseptic

Bhavik

Asked: October 18, 2020In: Class 10

10 mL of a solution of NaOH is found to be completely neutralised by 8 mL of a given solution of HCl. If we take 20 mL of the same solution of NaOH, the amount HCl solution (the same solution as before) required to neutralise it will be

NCERT Solution for Class Tenth Science Chapter 2 Acids, Bases and Salts Exercises Questions Page No-18 Questions No-3 (a) 4 mL (b) 8 mL (c) 12 mL (d) 16 mL

Bhavik

Asked: October 18, 2020In: Class 10

A solution reacts with crushed egg-shells to give a gas that turns lime-water milky. The solution contains

NCERT Solution for Class Tenth Science Chapter 2 Acids, Bases and Salts Exercises Questions Page No-18 Questions No-2 (a) NaCl (b) HCl (c) LiCl (d) KCl

Iksita Singh

Fresh milk has a pH of 6. How do you think the pH will change as it turns into curd? Explain your answer.

Equal lengths of magnesium ribbons are taken in test tubes A and B. Hydrochloric acid (HCl) is added to test tube A, while acetic acid (CH3COOH) is added to test tube B. Amount and concentration taken for both the acids are same. In which test tube will the fizzing occur more vigorously and why?

Five solutions A,B,C,D and E when tested with universal indicator showed pH as 4,1,11,7 and 9, respectively. Which solution is

Why do acids not show acidic behaviour in the absence of water?

Why does distilled water not conduct electricity, whereas rain water does?

Compounds such as alcohols and glucose also contain hydrogen but are not categorised as acids. Describe an Activity to prove it.

Write word equations and then balanced equations for the reaction taking place when –

Which one of the following types of medicines is used for treating indigestion?

10 mL of a solution of NaOH is found to be completely neutralised by 8 mL of a given solution of HCl. If we take 20 mL of the same solution of NaOH, the amount HCl solution (the same solution as before) required to neutralise it will be

A solution reacts with crushed egg-shells to give a gas that turns lime-water milky. The solution contains

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