Natasha Mehta Solutions for Exercise 3: PRACTICE TIME

Author:Natasha Mehta

Natasha Mehta Science Solutions for Exercise - Natasha Mehta Solutions for Exercise 3: PRACTICE TIME

Attempt the practice questions from Exercise 3: PRACTICE TIME with hints and solutions to strengthen your understanding. Sciwise - A coursebook of Science solutions are prepared by Experienced Embibe Experts.

Questions from Natasha Mehta Solutions for Exercise 3: PRACTICE TIME with Hints & Solutions

MEDIUM
7th CBSE
IMPORTANT

How do these things taste? Complete the following table. 

Substances Taste(Bitter/Sour/Sweet/Salty/other)
1. Curd  
2. Lemon juice  
3. Cake  
4. Bitter gourd  
5. Amla (Indian gooseberry)  
6. Neem leaves  
7. Omelette  
8. Vinegar  

EASY
7th CBSE
IMPORTANT

The acids that occur naturally in plants and animals are called organic acids. 

EASY
7th CBSE
IMPORTANT

Bases increase OH- ions in a solution. 

EASY
7th CBSE
IMPORTANT

The weak bases are mild as compared to the strong bases. 

EASY
7th CBSE
IMPORTANT

Sodium hydroxide is an example of a strong base.

EASY
7th CBSE
IMPORTANT

Magnesium hydroxide is an example of a weak base.