PUMPA - SMART LEARNING
எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்
Book Free DemoAnswer the following questions using the data given below:
i.A and R are correct, R explains the A.
ii. A is correct, R is wrong.
iii. A is wrong, R is correct.
iv. A and R are correct, R doesn’t explains A.
1.
Assertion: | Detergents are more effective cleansing agents than soaps in hard water |
Reason: | Calcium and magnesium salts of detergents are water soluble. |
2.
Assertion: | Alkanes are saturated hydrocarbons. |
Reason: | Hydrocarbons consist of covalent bonds. |