EASY
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Which of the following gas turns lime water milky?

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Important Questions on Nature and Behaviour of Matter

HARD
Chemistry>Inorganic Chemistry>Nature and Behaviour of Matter>Chemical Properties of Acids and Bases
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 of HCl solution (the same solution as before) required to neutralise it will be:
MEDIUM
Chemistry>Inorganic Chemistry>Nature and Behaviour of Matter>Chemical Properties of Acids and Bases
What is a neutralisation reaction? Give one example. And write the chemical reaction taking place.
MEDIUM
Chemistry>Inorganic Chemistry>Nature and Behaviour of Matter>Chemical Properties of Acids and Bases
What is neutralisation reaction? Give two examples.
MEDIUM
Chemistry>Inorganic Chemistry>Nature and Behaviour of Matter>Chemical Properties of Acids and Bases
The chemical equation that represents neutralisation reaction among the following is
EASY
Chemistry>Inorganic Chemistry>Nature and Behaviour of Matter>Chemical Properties of Acids and Bases

What happens when: (write chemical equation only).

(ii) Sulphuric acid reacts with caustic soda

MEDIUM
Chemistry>Inorganic Chemistry>Nature and Behaviour of Matter>Chemical Properties of Acids and Bases
What is neutralisation process? Explain with a chemical equation.
MEDIUM
Chemistry>Inorganic Chemistry>Nature and Behaviour of Matter>Chemical Properties of Acids and Bases
A solution reacts with crushed egg cells to give a gas that turns lime water milky. The solution contains-
EASY
Chemistry>Inorganic Chemistry>Nature and Behaviour of Matter>Chemical Properties of Acids and Bases
What is neutralisation reaction? Give one example.
EASY
Chemistry>Inorganic Chemistry>Nature and Behaviour of Matter>Chemical Properties of Acids and Bases

What happens when: (write chemical equation only).

(i) Zinc reacts with dilute sulphuric acid

EASY
Chemistry>Inorganic Chemistry>Nature and Behaviour of Matter>Chemical Properties of Acids and Bases
Define neutralization reaction with example.
MEDIUM
Chemistry>Inorganic Chemistry>Nature and Behaviour of Matter>Chemical Properties of Acids and Bases
Write an activity to know the reaction of bases with metals.
EASY
Chemistry>Inorganic Chemistry>Nature and Behaviour of Matter>Chemical Properties of Acids and Bases

Give reasons for the following statements: (i) Milk of magnesia is used for the treatment of acidity in the stomach.

MEDIUM
Chemistry>Inorganic Chemistry>Nature and Behaviour of Matter>Chemical Properties of Acids and Bases
Why should curd and sour substances not be kept in brass and copper utensils/vessels?
HARD
Chemistry>Inorganic Chemistry>Nature and Behaviour of Matter>Chemical Properties of Acids and Bases
You must have seen tarnished copper vessels being cleaned with lemon or tamarind juice. Explain why these sour substances are effective in cleaning the vessels. 
 
MEDIUM
Chemistry>Inorganic Chemistry>Nature and Behaviour of Matter>Chemical Properties of Acids and Bases

Which gas is produced during the reaction in the test tube? How does this gas react with calcium hydroxide/lime water?

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EASY
Chemistry>Inorganic Chemistry>Nature and Behaviour of Matter>Chemical Properties of Acids and Bases
What happens when Zinc reacts with sodium hydroxide. (Write only chemical equation)
EASY
Chemistry>Inorganic Chemistry>Nature and Behaviour of Matter>Chemical Properties of Acids and Bases

Give balanced chemical equation for following reaction-

NaOH + Zn →           Na2ZnO2 + H2

MEDIUM
Chemistry>Inorganic Chemistry>Nature and Behaviour of Matter>Chemical Properties of Acids and Bases
A solution reacts with crushed eggshells to give a gas that turns lime-water milky. The solution contains
EASY
Chemistry>Inorganic Chemistry>Nature and Behaviour of Matter>Chemical Properties of Acids and Bases
Which one of the following medicine is used for treating indigetsion?
MEDIUM
Chemistry>Inorganic Chemistry>Nature and Behaviour of Matter>Chemical Properties of Acids and Bases
2 ml of sodium hydroxide solution is added to a few pieces of granulated zinc metal taken in a test tube. When the contents are warmed a gas evolves which is bubbled through a soap solution before testing. Write the equation of the chemical reaction involved and the test to detect the gas. Name the gas which will be evolved when the same metal reacts with a dilute solution of a strong acid?