Question

1.
1. The process of taking food into the body is called
2, The Inner walls of small intestine has finger like out growth called
2. The word acid comes from latin word
which means son
Choose the correct answers
When baking
soda lumixed with lemon juice, identify the gas evolved with bubbles
# Carbon Dioxide
1. Carbon Monoxide
& Carbon Trioxide
2. Idently the neutral substancer
à Methyl Orange
li Curd
€ Common Salt
d. None of these
III. Give Scientific terms
1. Special substance used to detect the acidity/alkalinity of a given
substance
2. The process of depositing a layer of zinc on iron is termed as
3. Name one natural indicator,
IV. State true or false;
1. The tongue helps in mixing food with saliva,
2. Tooth decay is caused due to the presence of a base,
Agata​

Answer 1

Answer:

Explanation:

The reaction between baking soda and lemon juice can be given as below.

(Citric acid)

Lemon juice

​  

+Baking soda⟶  

(Sodium hydrogen carbonate)

CO  

2

​  

(bubbles)

​  

+  

(Carbon dioxide)

Other substances

​  

 

Since a chemical reaction is taking place which can't be reversed,  it is a chemical change.

Answer 2

Answer:

1.ingestion

2.villi

3.sour