CONTROL OF FILTRATION PROCESS

CONTROL OF FILTRATION PROCESS

CONTROL OF FILTRATION PROCESS This simply means the process where filtration is directed to achieve a satisfactory result of filtration. In filtration there are some challenge face, this can be overcome by More »

STERILIZATION BY FILTRATION

STERILIZATION BY FILTRATION

The first approach on how to purify water where carried out by allowing water to pass through a bed of sand gavel and cinders. But as the knowledge of bacteriology and realization More »

GASEOUS STERILIZATION

GASEOUS STERILIZATION

There are some chemical substances which are gaseous in nature that are used in the laboratory for sterilization i.e formaldehyde and ethylene oxide. This substance is used as an alternative when autoclave More »

CHEMICAL AGENT FOR STERILIZATION

CHEMICAL AGENT FOR STERILIZATION

CHEMICAL AGENT There are several chemical agent used for disinfection. Disinfectant is a chemical substance that destroyed microorganism in an inanimate object. The chemical agent that kill germs or inhibit it growth More »

Hot Oven Method of Sterilization

Hot Oven Method of Sterilization

 HOT AIR OVEN we going to discuss on a Ho Oven on this post, if we can recall we have discuss on a verious type of sterilization which include; Sterilization Techniques in medical More »

Using High Temprature for Sterilization

Using High Temprature for Sterilization

DRY HEAT TECHNIQUE This involve the use of high temperature to achieve a sterilization goal. Ithas a very good advantage, bcause it course a total destruction of microorganism cell, mechanism behind it, More »

Verious Sterilization technique in the medical laboraotry

Verious Sterilization technique in the medical laboraotry

PHYSICAL TECHNIQUE This technique involved radiation dry heat, moisture, boiling water, steam at 100ºC, and steam under pressure. Radiation: This method involved the used electromagnetive radiation in the microbiology laboratory to achieve More »

Sterilization Techniques in medical Laboratory

Sterilization Techniques in medical Laboratory

STERILLIZATION This term simply mean killing of all form of lives that is present in an equipment.  In general term sterilization simply means killing entire form of lives which is found in More »

CAPSULE STAINING

CAPSULE STAINING

 CAPSULE STAINING This method of staining is specifically design for examination of structure of bacteria capsule. When an ordinary staining method is used, carbohydrate bacteria capsule remain unstained, in this case, they More »

SPORE STAINING PROCEDURE OF BACTERIA EXAMINATION

SPORE STAINING PROCEDURE OF BACTERIA EXAMINATION

SPORE STAINING This staining is specifically develop for the process of microscopic examination of spore structure of bacteria. The spore wall is shown as impermeable to stain, as a result of that More »

POLYCHROME METHYLENE BLUE METHOD OF STAINING BACTERIA

POLYCHROME METHYLENE BLUE METHOD OF STAINING BACTERIA

POLYCHROME METHYLENE BLUE The stain has a similarity with loeffers alkaline methylene blue. They are used for demonstration of Anthrax bacilli structure in the blood. Preparation. the same with loeffer alkaline methylene More »

LOEFFER ALKALINE METHYLINE BLUE STAINING PROCEDURE

LOEFFER ALKALINE METHYLINE BLUE STAINING PROCEDURE

LOEFFER ALKALINE METHYLINE BLUE This is a basic dyes used for examination of microorganism structure in the microbiology laboratory, these method is usually appear to smear from cultures. The solution is slower More »

Examination of Bacteria Morphology

Examination of Bacteria Morphology

MORPHOLOGY Counter staining of Gram and Ziehl Neelsen method are also used for the explanation of morphological structure of bacteria microorganism in conjunction with the following stain, malachite green, and methylene blue. More »

Practical Examination Of Acid Bacillus

Practical Examination Of Acid Bacillus

AURAMINE STAIN This method is used for examination of acid fast bacilli in a sputum specimen, by the used of Fluorescence microscopy. The method has solution procedure from one to three which More »

Practical Examination Mycobacterium Tuberculosis

Practical Examination Mycobacterium Tuberculosis

ZIEHL NEELSEN STAINING This stain is used for preparing specimen for examination of Mycobacterium tuberculosis. The principle has three solutions which are; 1 Carbol Fuchsine 2 Acid Alcohols 3 Counter Stains SOLUTUON More »

Gram Positive and Gram Negative Bacteria

Gram Positive and Gram Negative Bacteria

GRAM STAINING This method of staining can be trace back to 1884 when a man called Christian Gram explained this method as one of the method that is very important staining in More »

Practical Procedure for Microscopic Examination of Motile Bacteria

Practical Procedure for Microscopic Examination of Motile Bacteria

MOTILE BACTERIA Sample for examination of microorganism is suspended in a fluid and examine microscopically for identification of motile bacteria. On this occasion, it could be examine that many bacteria are seen More »

preparation Liquid and solid cultural sample for microscopic Examination

preparation Liquid and solid cultural sample for microscopic Examination

LIQUID MEDIA SPECIMEN PREPARATION STEP Sterilized wire loop by passing through flame, allowed it to red hot bring it out and allowed it to cool before picking a colony Take a loop More »

GENERAL METHOD OF MAKING SMEAR FROM CULTURE PLATE

GENERAL METHOD OF MAKING SMEAR FROM CULTURE PLATE

Smear From cultural plate Use a clean grease free glass slide Mark the slide with a written material such as diamond grease or pencil, but pencil is easily rube away. Use only More »

Making of Wire Loop, Sterilization procedure

Making of Wire Loop, Sterilization procedure

WIRE LOOP This is straight wire usually circle of approximately 1.5mm and 3mm made up of platinum or nichrome wire with handle which is use for picking colony from culture. Nichrome wire More »

 

CHM101 INTRODUCTORY INORGANIC CHEMISTRY TMA3 QUESTIONS AND ANSWER

Question 1. Which of the following scientists made zero contributions to the development of periodic table?

Answer is J.J Thompson

Question 2. All cations are smaller than all common anions excerpt_____?

Answer is Rubidium

Question 3. Which of these elements has the electronic configuration of 1s22s22p63s23p63d104s1?

Answer is Cu

Question 4. The energy absorbed of release when an electron is added to a gaseous atom is known as _____?

Answer is Electron affinity

Question 5. Hydrogen can be obtained economically as a bi-product in the electrolysis of _____?

Answer is Brine

Question 7. One half of the distance between the nucleic of two adjacent metal atoms in a close crystals lattice is called______?

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Answer is metallic radius

Question 8. What was the main reason for the rejection of Newlands law of octaves?

Answer is it could not hold good for element heavier than calcium

Question 9. The tendency of an atom to attract shared electron pair of bond towards itself is known as _______?

Answer is electronegativity

Question 10. Which of this is not a properties of metallic elements?

Answer is they form acidic oxide

Question 11. The presence of hydrogen bond in most molecules is responsible for the following except _____?

Answer is low boiling point

Question 12. Which of these is not an S-block element?

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Answer is Zn

Question 13. Which of these is not a covalent hydride?

Answer is hydroelectric acid gas

Question 14. Which of the following is not a D- block element?

Answer is aluminum

Question 15. One half distance between the nucleic of two atoms bonded together by a single bond is known as

Answer is Covalent radius

Question 16. When alkali metals are heated with hydrogen, they form____ hydride?

Answer is metallic

Question 17. An hybrids orbital that has greater s-character is more likely to possess _____?

Answer is higher ionization energy

Question 18. Which of the following is not true as we move down the group of s-block and p-block element in periodic table?

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Answer is effective nuclear charge is relatively constant

Question 19. Which of these is an sp-hybridized compound?

Answer is CH4

Question 20. The energy required to remove two valence electrons of a metallic atoms is called ____?

Answer is second ionization energy.

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