Chemistry is a science.
Chemistry practical all over the world is emphasized to all candidates sitting for a
There are about seven main basic universal emphasis for all chemistry candidates sitting
for a chemistry p
LEADERSHIP AND TEAM
Dr. Martin Ogola
Identify the characteristics of a good
Identify the characteristics of highly
effective Team Leaders
Define the meaning of team and team
Explain the ch
MY CITY SYSTEMS
Important Please read this information carefully before you complete your application. Once you have completed your
application we strongly advise that you send it back using firstname.lastname@example.org
Please tick which service you ne
TOXICOLOGY (JLS 105)
What is environmental toxicology?
Study of poisons/pollutants and their action
on the environment
The Natural Environment
Mans environment in its widest sense is
called the biosphere which consists of
Which of the following is not a phenomenon associated with horticulture?
2. True or False, The harvesting of crops is included in agriculture.
3. Which of the following are phenomena associated w
MATUMBUFU BAPTIST GIRLS SEC. SCHOOL
P.o Box 400
STUDENTS REPORT FORMName:
Service Beyond Your Expectation
CHEMISTRY 2009 REVISION SERIES
CHEMISTRY FORMULARS BOOK
CONTAINS ALL THE CHEMISTRY FORMULARS
By: Eddah Kipsat Kangogo
Chemistry Formulas Book
Chemistry Formulas Book
Key words: Pollution, Depletion, Risk assessment
Environmental toxicology deals with the effects of environmental toxicants on health and the
environment. Environmental toxicants are agents released into the
1. Next year, the firm would like to increase the price of the doughnuts it sells by 6 percent.
Management forecasts that income will rise by 4 percent next year and that the price of
bagels will fall by 2 %
so due to price rise of 6%, as Ep = 2, demand w
Lahey Motors specializes in selling cars to buyers with a poor credit history. Listed below is the
number of cars that were repossessed from Lahey customers because they did not meet the
payment obligations over each of the last 36 months.
Market concentration ratio is calculated by adding up the market share of largest firms in the
Mostly, four-firm concentration ratio is calculated.
It is calculated by adding the market share of 4 largest firms.
This ratio indicates whether indu
Inter-State Moving and Storage Company is setting up a control chart to monitor the proportion
of residential moves that result in written complaints due to late delivery, lost items, or damaged
items. A sample of 55 moves is selected for each of the last
Statement of Cash Flows
For the Year Ended December 31, 2007
Cash flows from operating activities
Cash receipts from customers.
Less cash payments:
For operating expenses.
For income taxes.
The purpose of this book is to provide relevant material for each subject in O-level education here
in Tanzania. The first edition contains civics, history, geography, biology, chemistry and physics. The
content is ordered by syllabus topic a
4. Acid Base Chemistry
4.1.1. Bronsted / Lowry Acid:
"An acid is a substance which can donate a hydrogen ion (H+) or a proton, while a
base is a substance that accepts a proton.
B- + HA <-> HB + Abase1 + acid1 <-> acid2 + base 2
Introduction to Chemistry
Author: Tracy Poulsen
Supported by CK-12 Foundation
Introduction to Chem.
Authored by Tracy Poulsen
8.5" x 11.0" (21.59 x 27.94 cm)
Black & White on White paper
Enduring Understanding: The brain is the control center of the
body. The numerous sections of the brain carry out specific tasks
that function in maintaining homeostasis.
Essential Questions: What are the major parts of the brain?
Indirectly acting alpha agonists
Ind: narcolepsy, appetite control, attention deficit
They have direct catecholaminergic action by
causing release of NE from nerve terminals
they inhibit MAO
They increase release of catecholami
18th February 2016
CORES AND CORE MAKING:
Cores are sand bars designed to form holes and cavities in casting and also to shape the outer surfaces of
cast piece. The metal usually envelopes a core on all its sides as it fills the mold cavity. Core
10th March `216
FABRICATION OF COMPOSITE MATERIALS:
The importance of composite material has grown due to the acceptance in aerospace and sporting
goods. Many manufacturing processes designed from composites are slow and labor intensive. They
22nd January 2016
The Rate of solidification;
In a sand mould, the rate at which a casting freezes is determined primarily by the ability of the
mould to accept heat from the casting. So if molten metal is poured against a mould, heat will flow
28th January 2016
A gating system is that part of the mould cavity, through which the metal is poured and fill the
casting impression. The design of the gating system provides the means for controlling the pattern of
metal flow wit
25th February 2016
CLEANING OF CASTINGS:
In the cleaning process, castings are shaken in which gates, risers and cores are removed
Cleaning also involves some bits of finishing or machining. Gates and risers will be removed using the
5th February 2016
Please note that Green scripts in this document were as researched by the student with the Lecturers
instructions from the referenced material.
SAND MOULDING PROCESSES
Economic utilization requires the recovery and processing of l
11th February 2016
The molding processes can be classified on the basis of the method. The processes are as described
1. Bench molding;
This method is normally used for small jobs. There are two flasks, the cope and the drag and a
26th February 2016
These are organic materials that consist of carbon chemically combined with hydrogen and oxygen
and other non-metallic substances. Plastics and synthetic rubbers are known as polymers and
polymers are composed of a larg
4th March 2016
PROCESSING OF RUBBERS AND ELASTOMERS:
Rubber and elastomers can be produced through a variety of techniques such as dipping. Dipping is
the process used for making gum-boots. It is used to produce thin parts with uniform wall