Acids

Q.

List names of acids present in fruits and vegetables?

Q.

What happens when magnesium metal reacts with the hydrochloric acid?

1. Magnesium chloride and liquid hydrogen

2. Magnesium chloride and carbon dioxide gas

3. Magnesium chloride and liquid water

4. Magnesium chloride and hydrogen gas

Q.

Which of the following acid is present in oranges and lemons?

1. Oxalic acid

2. Citric acid

3. Formic acid

4. Lactic acid

Q.

Which acid is present in ant sting?

1. Butanoic acid

2. Acetic acid

3. Methanoic acid

4. Ethanoic acid

Q.

Can I use Eno instead of Baking soda in a Baking soda volcano?

Q. Which acid is present in vinegar?

1. Acetic acid
2. Citric acid
3. Malic acid
4. Formic acid

Q.

Write six uses of Acids.

Q.

Good Morning sir , my doubt is :

What is the importance of acids , bases and salts in our daily life?

Q.

What is the chemical equation for sulphuric acid. What is H₂SO_4.

Q.

Which acid can dissolve gold and which will make gold

Q.

What is the taste of lemon, sugar, curd, lime, baking soda, amla, tamarind, raw mango, pomegranate, and water?

Q. Why is sulphuric acid called the king of all acid

Q. What are the acids are present in tea and spinach

Q. If a small amount of baking soda solution is added to turmeric paste, the colour of the paste will turn .

1. yellow
2. red
3. pink

Q. What is concentrated acid and concentrated base?what is the difference between concentrated acid and normal acid and concentrated base and normal base

Q.

The chemical name of lime water is _________.

Q.

What happens to excess amino acids?

Q.

Which gas is released when acid reacts with metals?

1. Hydrogen

2. Nitrogen

3. Oxygen

4. Carbon

Q. Which among the following materials are used to reduce surface tension of water?

1. Surfactants
2. Aldehydes
3. All the above
4. Carbonates

Q.

When Eno fruit salt is mixed with water, bubbles are formed. What type of change is it? Explain [5 MARKS]

Q.

What is the taste of an acid?

Q.

Which pollutant is responsible for turning the Taj Mahal yellow?

Q. What is acid rain? How are acid rain caused?

Q.

A visually challenged student, has to perform a lab test to detect the presence of acid in a given solution. The acid-base indicator preferred by him will be

1. blue litmus

2. clove oil

3. red cabbage extract

4. Hibiscus extract

Q. Which among these acids is present in curd?

1. Citric acid
2. Oxalic acid
3. Lactic acid
4. Acetic acid

Q.

Which of the following set of substances contain acids?

1. Grapes, lime water

2. Vinegar, soap

3. Curd, milk of magnesia

4. Curd, vinegar

Q.

Which of these contain citric acid.

1. Orange.

2. Amla.

3. Lemon

4. All of these.

Q. Statement: Acid rain can cause damage to buildings, historical monuments, plants and animals.

Reason: Acid rain contains acids like nitrous acids, which corrode the upper layers of the buildings and monuments that are made up of marbles and damages them.

1. The statement is correct but the reason is incorrect
2. Both the statement and the reason are incorrect
3. Both the statement and the reason are correct but the reason is not the correct explanation for the statement
4. Both the statement and the reason are correct and the reason is the correct explanation for the statement

Q.

Why are metallic containers not used to store pickles that are sour in taste ?

Q. Which among the following contains acid?

1. Window cleaner
2. Soap
3. Toothpaste
4. 
   Milk