Questions and answers by

sdjkbnf

Questions (23)

if you increase the colour depth does the amount of pixels in an image stay the same?
1. 1 answer
2. 78 views
which is NOT an effect of increasing the resolution in an image?a) more binary will be required to create the image b) higher
1. 1 answer
2. 118 views
Reducing the amount of colours in the image will...a) Reduce the amount of binary needed for each pixel b) Reduce the quality of
1. 1 answer
2. 134 views
How many molecules of water does it take to make one molecule of glucose in the photosynthesis balanced equation?1. 12 2. 10 3.
1. 1 answer
2. 119 views
a salt is a...
1. 1 answer
2. 88 views
Bases are commonly?1. Alkalis 2. Metal oxides 3. Acids
1. 1 answer
2. 119 views
Bases are commonly:1. Alkalis 2. Metal oxides 3. Acids
1. 1 answer
2. 130 views
How can you tell that a metal is reacting with water?1. Bright light 2. It gets colder 3. Fizzing 4. Colour change
1. 3 answers
2. 101 views
To produce sodium sulfate by the reacting a dilute alkali with a dilute acid you need ...?1. sodium chloride + sulfuric acid 2.
1. 1 answer
2. 154 views
To produce sodium sulfate by the reaction illustrated you need ...?1. sodium chloride + sulfuric acid 2. potassium sulfate +
1. 1 answer
2. 163 views
What is the main sign that a chemical reaction has occurred during an explosion?1. Change in temperature 2. Precipitation 3.
1. 1 answer
2. 108 views
How would we describe the structure of a piece of music?1. The order that different parts of the song are played in. 2. How the
1. 1 answer
2. 90 views
What are polyrhythms?1. When you have multiple rhythms worth the same number of beats played at the same time. 2. When you have
1. 1 answer
2. 109 views
How would we describe the structure of a piece of music?
1. 1 answer
2. 164 views
What is meander migration?
1. 1 answer
2. 95 views
Which of the following reactions is endothermic?1. Burning coal. 2. Magnesium reacting with hydrochloric acid. 3. Thermal
1. 1 answer
2. 98 views
What was the name of the first all-black British rock band formed in the late 1960s?
1. 1 answer
2. 91 views
Write this ratio in its simplest form:2/9:9/2
1. 4 answers
2. 88 views
Simplify2/9:9/2
1. 1 answer
2. 67 views
The mass at the beginning and end of a chemical reaction is the same in a closed system because...1. atoms can escape and be
1. 1 answer
2. 101 views
does the mass change after thermal decomposition?
1. 1 answer
2. 71 views
A metal carbonate is thermally decomposed. Will the product be heavier or lighter?
1. 1 answer
2. 63 views
A boat of mass 7000kg is floating without moving, close to a pier. It is not tied up. A woman of mass 70kg is standing on the
1. 1 answer
2. 167 views