Kimya Ödev Yardımı
QuetionAI‘nin kimya problemi çözücüsü, temel kimyasal reaksiyonları ve denklemleri kullanıcılar için gerçek zamanlı olarak özetleyebilen ve zayıf bir temele sahip öğrencilerin bile kimyada kolayca uzmanlaşabilmesi için güçlü bir öğrenme sistemine sahip olan bir ortaokul kimya ders aracıdır.
Artık periyodik tablonun temel özellikleri hakkında endişelenmenize gerek yok. Burada her elemente karşılık gelen kimyasal reaksiyonlara ve reaksiyon prensiplerine kolaylıkla ulaşabilirsiniz. Moleküllerin ve atomların orijinal yapısını, görülebilen makroskobik olaylardan çıkarmak, her zaman savunduğumuz bir kimya araştırma tekniğidir.
- 29. Sodium nitrite is classified as (a) chemical antidote (b) physiological antidote (c) mechanical antidote (d) all the above 30. Impurities in pharmaceutical preparation may be due to following sources: (a) Raw material (b) Manufacturing process (c) Chemical instability (d) All of the above (a) Ca2+ (b) Hg+ (c) I+ (d) Cu+ 31. Pharmaceutical buffer system could be categorizes into (a) 1 (b) 2 (c) 3 (d) none of these 32. Topical agent depending upon their action or used divided into (a) protective (b) antimicroliol (c) astringent (d) all of these 33. ZnO is used as (a) protective (b) astringent (c) both (a) &(b) (d) antidote 34. Inorganic antimicrobial agent can be divided into (a) oxidation (b) halogenation (c) protein precipitate (d) all of the above 35. Compounds capable of function as antimicrobial agent through oxidative mechanism are (a) H2O2 (b) halogen (c) KMnO4 (d) all of these 36. Halogenation mechanism occurring with antiseptic are (a)hypohalite (b) sulphydryl
- SECTION A 60MKS ANSWER ALL 1.Calcium gluconate is prepared by CaCO3 (a) lactic acid and (b) oxalic acid and CaCO3 (c) gluconic acid and CaCO3 (d) gluconic acid and Ca(OH)2 2. The category of calcium gluconate is (a) antacid (b) calcium replenisher (c) antioxidant (d) radiopharmaceuticals 3. Sodium chloride is used for (a) pharmaceutical aid (b) toxicity agents (c) fluid and electrolyte replenisher (d) all of the above 4. The category of magnesium chloride is (a) urinary alkaliser (b) magnesium replenisher (c) constituent of peritoneal dialysis solution (d) both (b) and (c) 5. The maintenance of constant environment in various cells tissue and body fluids physically as well as chemically is known as (a) electrolyte balance (b) homeostasis (c) hemostasis (d) none of the above 6. Clinical manifestation associated with potassium is (a) hypertension (b) acidosis (c) renal damage (d) both (a) and (b) 7. The principal function of chloride is (a) maintenance of proper hydration (b) maintenance of osmotic pressure (c) normal electrolytic balance (d) all of the above 8. Calcium is essential for (a) blood pontification to whaler bone (b) blood clotting (c) all of the above 9. Essential element called essential (a) It must occur in all healthy tissue (b) Facilitate a great many essential life process (c) It must cause reproducible life processes (d) All of the above
- 1. What is the main distinction between ionic and covalent bonding? 2. How is electronegativity used in determining the ionic or covalent character of the bonding between two elements? 3. What type of bonding would be expected be- tween the following atoms? a. Li and F b. Cu and S c. I and F 4. List the three pairs of atoms referred to in the previous question in order of increasing ionic character of the bonding between them.
- Bas kuantum sayisi 3 olan orbitallerir de toplam 16 elektron bulunan atom numarasi en kúcũk elementin sirasiyla bulundugu grup ve atom numarasi asagida- kilerin hangisinde dogru verilmiştir? A) 8A-26 B) 6A-24 C) 2B-30 D) 8B-26 E) 8B-28
- During the manufacture of sulfuric acid, sulfur dioxide is converted to sulfur trioxide. 2SO_(2)+O_(2)arrow 2SO_(3) Which type of reaction is this? A displacement B neutralisation C oxidation D thermal decomposition