Matter And Its Nature QUESTIONS AND ANSWERS :: part7 : 1 to 5
Following Matter And Its Nature Multiple choice objective type questions and answers will help you in many competitive written examinations and inteview 2024 like SSC exams :
1.Acids are chemical substances that contain …………….ions |
| hydroxyl |
| oxide |
| hydrogen |
| salt |
2.Lichens are the source of ……………. |
| phenolphthalein |
| methyl orange |
| dye |
| litmus |
3.Caustic soda is …………….. |
| Sodium hydroxide |
| Potassium hydroxide |
| Calcium hydroxide |
| Ammonium hydroxide |
4.Cells in the human body contain acids. They are …………….. |
| deoxy ribonucleic acid |
| amino acids |
| both (Opt1) and (Opt2) |
| mineral acids |
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