నేను రాలేను. I won’t be able to come. నేను రావాలనుకోవడం లేదు. I don’t want to come.

ఒక moment లో పని జరుగుతుంది. పోయిన రాత్రి వర్షం పడుతూంది. It was raining last night. నిన్న వారు దేనిగురించో మాట్లాడుతున్నారు. They were talking about something yesterday.

13. PRINCIPLES OF METALLURGY IMPORTANT QUESTIONS 1 Mark 1. Give any two examples of ores with their formula’s. A. Cinnabar – HgS Horn silver - AgCl 2. Define metallurgy. A. Metallurgy is the process of extraction of metals from their ores and preparation of alloys. 3. What is corrosion? A. Process of slowly coated with oxides (or) other salts of the metal and forms thin layers. 4. Why is carbon not used for reducing aluminium from aluminium oxide? A. The oxide of aluminium is very stable and can be reduced by electrolytic process. 5. Mention two methods which produce very pure metals? A. Electrolytic reduction, smelting are two methods which produce very pure metals. 6. Name two metals other than aluminium which are obtained by electrolytic reduction? A. Sodium and Magnesium. 7. What is poling? A. The method of removing impurities either for gases (or) liquids get them oxidized and form slag over surface of molten metal is called poling. 8. What is thermite process? A. T

నన్ను చికాకుపరచవద్దు. నన్ను నిరాశ పరచవద్దు. నా ఆశలు నీరు కార్చవద్దు. నీకు పట్టినంత తిను. నా నమ్మకాన్ని వమ్ము చేయకు.

Fierce Venom Reluctant Suck out Persists Burrows Drag cocoons Spin Hibernate Paralyses Fatal x Fierce Persists Spin Venom Burrows Hibernate Reluctant Drag Paralyses Suck out cocoons Fatal Fierce – frightening- భయపెట్టే Tarantula is a large, fierce hairy spider. తరాంతులా ఒక పెద్ద, భయంకరమైన వెంట్రుకల సాలీడు. Venom – poison- విషం Most of the Tarantulas possess venom. తరాంతులాలు చాలావరకు విషాన్ని కలిగి ఉంటాయి. Reluctant – unwilling- నిరాకరించు They are quite reluctant to bite. అవి కాటు వేయడానికి చాలా ఇష్టపడవు. Aggressive – forceful- దూకుడు,     దాడిచేసే They will usually try to run away rather than to be aggressive. అవి సాధారణంగా దాడిచేయకుండా  పారిపోవడానికి ప్రయత్నిస్తాయి. Fatal – causing death- ప్రాణాంతకం, Tarantula bite is fatal to insects. తరాంతుల కాటు కీటకాలకు ప్రాణాంతకం. Persists – remains-

Important common idioms. Don’t pois o n my ears. He is poisoning my ears. I am not poisoning your ears. Ask him not to poison my ears. Don’t pour cold water on my enthusiasm. You are pouring cold water on my enthusiasm. He was trying to pour cold water on my enthusiasm. move heaven and Earth. I will move heaven and earth. He is trying to move heaven and earth. Vex = Irritate Don’t vex me. Eat your fill. I am eating my fill. You should eat your fill.