Wednesday, June 12, 2024

class 10th/maths/identities/01/F.D. CLASSES A.K. SIR NEHA MA’AM ROORKEE8273332210

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F.D. CLASSES 
A.K. SIR NEHA MA’AM ROORKEE
8273332210

CLASS              10th
SUBJECT –      MATHS 
TOPIC -             SQUARE IDENTITIES 
SHEET NO. –  01
NO. OF QUESTIONS –
F.D. CLASSES ##A.K. SIR NEHA MA’AM ROORKEE##8273332210




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Sunday, June 9, 2024

10th class/science/ACIDS BASES AND SALTS/S01##F.D. CLASSES##AK SIR NEHA MA'AM ROORKEE 8273332210

Acids, bases and salts
Sheet  01
Number of questions 10 

Question 1 
Write examples of five acids 

F.D. CLASSES
AK SIR NEHA MA'AM ROORKEE 
8273332210



Question 2 
Write examples of 5 bases

Question 3

Discuss action of acid on litmus paper

Question 4

Discuss action of bases on  litmus paper 

Question 5
which gas is hold when acid react with any metal?

Question 6

F.D. CLASSES
AK SIR NEHA MA'AM ROORKEE 
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Write chemical formula of water, carbon dioxide ,acitic acid, sulphuric acid

Question 7

Write chemical formula for magnesium hydroxide, sodium hydroxide, calcium hydroxide 

Question 8
Name of acid present in vinegar 

Question 9

Name the acid present in sour taste fruits 

Question 10

PH value is 7 what does it mean

 PH value is 14 what does it mean 

PH value is 1 what does it mean






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