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Science Yr9 > Acids and Alkalis > Flashcards

Acids and Alkalis Flashcards

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1
Q

Hydraulic Acid

A

HCL

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2
Q

Nitric acid

A

HNO³

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3
Q

Sulfuric Acid

A

H2SO4

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4
Q

Sodium Hydroxide

A

NaOH

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5
Q

Calcium hydroxide

A

Ca(OH)2

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6
Q

Magnesium Hydroxide

A

MgOH2

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7
Q

Hydroxide

A

OH

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8
Q

Nitrate

A

NO3

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9
Q

Sulfate

A

SO4

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10
Q

Hydrocloric

A

HCL

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11
Q

NItric

A

HNO3

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12
Q

Sulphuric

A

H2SO4

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13
Q

Acid+Base

A

Salt+Water

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14
Q

Acid+ Metal oxide

A

Salt+ water

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15
Q

Acid+ metal hydroxide

A

Salt+ water

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16
Q

Acid+ metal

A

Salt+ hydrogen

17
Q

Acid+ Metal carbonate

A

Salt + water + carbon dioxide

18
Q

Why do atoms react to other atoms?

A

Atoms react with other atoms because they lose, gain and share electrons to complete their outer shells. Atoms can bond together by ionic bonds or covalent bonds.

19
Q

What are ionic bonds?

A

Ionic bonds happen between a metal and a non-metal. The metal becomes a positive ion and the non-metal becomes a negative ion and they attract by an electrostatic force. (Kinda like the positive and negative magnets)

20
Q

What are covalent bonds?

A

Covalent bonds happen between non-metals. They share their electrons to complete their outer shell. For example two hydrogen atoms attaching to eachother.

21
Q

What do acids produce?

A

Positive hydrogen ions in water

22
Q

What do alkalis produce?

A

Negative hydroxide ions in water

23
Q

What is an aqueous solution?

A

A solution that is dissolved in water

24
Q

What are the different ways to find the PH of an alkaline or an acid?

A
  • Universal Indicator
  • Cabbage solution
  • Litnus strips
25
Q

What is an exothermic reaction?

A

An exothermic process releases heat, causing the temperature of the immediate surroundings to rise.

26
Q

What is an endothermic reaction?

A

An endothermic process absorbs heat and cools the surroundings.

27
Q

word equation for the neutralization of an acid plus a base

A

NaOH → H 2 O OH- + Na

28
Q

what are two compounds that can neutralize an acid

A

Metal oxides and alkalis are two types of base

Science Yr9 (6 decks)

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