SOFT & HARD ACIDS & BASES

ACIDS AND BASES

Coolidge tube||Hard-SOFt X Rays||Continuous and Characteristics

Acids|Concentrated And Diluted Acids|Strong Acids And Weak Acids|Diluting The Acids|Bases And Strong Bases & Weak Bases

Introduction|Strong Acid And Weak Acid|Acid Rain|Base|Difference Between Acid And Base|OMR

Hard and SOFt Water, Methods to Remove Hardness, Degree OF Hardness

What do you understand by Hard and Soft water? How is hardness of water removed by washing?

Statement/ कथन : Some flower are soft./ कुछ कठोर फूल है। No hard is soft./ कोई कठोर नरम नहीं है। Conclusion/ निष्कर्ष: I.some hard are flower./ कुछ कठोर फूल है। II. Some soft are flower./ कुछ मुलायम फूल है।

secondary xylem, annual rings,dendrochronology. spring wood & autumn wood, heart wood and sOFt wood, sOFt wood and hard wood. tyloses some important woods.