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@23-shinjinidasgupta97

Top 3 questions answers- 
1) The acid needed here is Nitric acid and the base needed here is Ammonium hydroxide. 
The chemical reaction is-
HNO3 + NH4OH = NH4NO3 + H2O.
2) a) Vinegar contains acetic acid.
     b) Milk contains lactic acid.
     c) Tomatoes contain oxalic acid.
     d) Apples contain malic acid.
3) Toothpaste is basic in nature. Our mouth contains many acids. We know that a base can neutralize an acid. In this case it becomes neutral and that's why Toothpaste help prevent decay teeth.

And another acid that tomatoes contain I think other than oxalic acid is citric acid since it is sour. 

 Sir would you please check my answers?

@udhayan2726

Posted 3 years ago but still it's fresh for 2021-22 batch like. Tq so much sir๐Ÿ˜Š๐Ÿ˜Š

@lohitashwamadhan9456

1. Ammonium chloride(weak base)+ Nitric acid (strong acid)will give Ammonium nitrate(acidic salt)+ water. 2.(a)Acetic Acid,(b)Lactic Acid,(c)Oxalic Acid,(d)Malic Acid. 3.Toothpaste is actually basic in nature. So, it helps in removing the bacteria that is present in the teeth that contains acid. So, the toothpaste will neutralise the acid and helps in preventing tooth decay.

@nihalr9827

Tomato sauce has vinegar in it which is used in many materials like pickles as a preservative. Thus, tomato sauce has oxalic and acetic acid.

1.) Ammonium Hydroxide + Nitric Acid ---------->  Ammonium Nitrate + Water + Heat
     NH4OH + HNO3 ---------> NH4NO3 + H2O + Q

2.) a.)  Vinegar isused in many materials like pickles as a preservative and has Acetic acid in it.
      b.)  Milk or curd has lactic acid in it
      c.)  Tomato sauce has Oxalic acid present in it
      d.)  Apples is mostly determined by the Malic acid present in it

3.) Major tooth issues like tooth decay is caused when we eat sugary foor such as chocolates, sweets, etc. The bacteria's act upon this sugar and transform it into acid because ( bacteria + sugar = acid ), and this acid eats up the tooth leading to tooth decay. As Toothpaste is a base, it prevents the acid from eating up the tooth by neutralizing it's effect. Hence, Toothpaste prevents tooth decay

@armyblinkforever1193

1)hcl+naoh=n2naoh+h20   2)a) vinegar=acetic acid,milk-lactic acid,tomatoes- oxalic acid,apples- citrus acid  3) toothpaste contains salt which help neutralize the acids and bases presnt in the saliva. thats why brushing our teeth with toothpaste prevents decaying of teeth.

@alphaposidon8294

What an explaination sir I was having my online class but this look more interesting than the online class

@chintasravani4685

1..HNO3+NH4OH----
NH4(NO3)
2.vinegar-acetic acid
Milk-lactic acid
Tomatoes-oxalic acid
Apple-malic acid
3.tooth paste(base) helps in avoid decaying of
 enamel of teeth as the microbes in our mouth produces acid which cause decay of enamel,and this base neutralizes acid..

@dikshayadav6020

Sir excellent explanation. 
And your answers areโ‰ˆ
(1)-Ammonia and Nitric acid.[HNOยณ+NHยณโ€”โ€”NH4NO]
(2)- <A>-Vinegar~Acitic acid. 
        <B>-Milk~Lactic acid. 
        <C>-Tomato~Oxalic acid+Maleic acid. 
         <D>-Apple~Maleic acid.
(3)-Because it contains Sodium fluoride (NaF). Which kills bacteria present on our teeth. 
Thanks a lot sir.

@devyanisomwanshi6519

Q.3 Before we brush our teeth the pH of saliva is less than 7 that is acidic. The toothpaste contains the alkali substance which neutralizes the acid and prevent from tooth decay.

If you got your answer hit a like!!!๐Ÿ‘๐Ÿ‘๐Ÿ‘๐Ÿ‘๐Ÿ‘

@PastordakoDararo

Answer: 1,acid; nitric acid (HNO3).  Base; Ammonia (NH3).       Chemical reactions NH3 +HNO3 - NH4NO3.        2, vinegar - acetic acid.  Milk - lactic acid.  Tomatoes - citric acid and malic acid.  Apples - malic acid.          3, toothpaste neutralizes acid in the mouth, preventing enamel erosion and tooth decay.   GOOD!!

@freshersbuildconfidence3270

Q.1 NH4OH
Q.2 a) acetic acid
b) lactic acid
c) oxalic acid, malic acid, citric acid, ascorbic acid, succinic acid
d) malic acid
Q.3 Toothpaste help to prevent from decay of teeth because toothpaste is made of calcium and our teeth is made of calcium phosphate

@hariniraja9163

1.Answer. nitric acidThe industrial production of ammonium nitrate entails the acid-base reaction of ammonia with nitric acid: HNO3 + NH3 โ†’ NH4NO. Ammonia is used in its anhydrous form (a gas) and the nitric acid is concentrated. The reaction is violent owing to its highly exothermic nature.
2.a)vinegar-acetic acid b) milk-lactic acid c)tomatoes-oxalic acid d) apple- malic acid 
3.Toothpastes are basic in nature. They neutralise the effect of acids and thus prevent tooth from decaying.

@aiswaryas8171

Wow...thanks a lot sir! It helped me a lot
1. Nitric acid and ammonium hydroxide ---- HNO3+NH4OH----->NH4NO3+H2O
2.a) vinegar-acetic acid
   b) milk-lactic acid
   c) tomatoes-oxalic acid
   d) apples-malic acid
3. Bacteria in your mouth causes tooth decay by changing the leftover food on our tooth into acids. These acids causes tooth decay. If we brush our teeth with toothpaste which is a base neutralizes the acid and hence tooth decay can be prevented.

@preethishridharan5465

1)HNO3 +NH3 = NH4NO
2) a) vinegar : acetic acid 
     b)milk : lactic acid 
     c)tomatoes : oxalic acid 
     d) apples : malic acid 
3)When food particles decay in our teeth , the level of acidity in our mouth rises .This leads to tooth decay.
     Toothpaste are basic to nature . So, this neutralizes the acids and help prevent tooth decay .

Sir very understandable. Please make more videos like this ...

@mohdhabib-eh1pu

1. Ammonium nitrate (NH4NO3) is indeed soluble in water. It is formed by the reaction between ammonium hydroxide (NH4OH) and nitric acid (HNO3).  

2.  Vinegar contains acetic acid, milk contains lactic acid, tomatoes contain oxalic acid, and apples contain malic acid. These acids contribute to the characteristic taste of the respective food items.

3. The bacteria living on the teeth and gums produce acid, which can erode the tooth enamel and cause dental decay. Fluorine, which is contained in toothpaste, neutralizes this acid and helps to prevent tooth decay.

@archanaranjan-r7s

Sir, tooth decay happens because if a acid expected by germs and bacteria  and toothpaste being a base neutralizes the reaction.

@samyukthaboddepelli3385

Q1)HNO3=acid
      NH3=base
So,HNO3+NH3-----NH4NO3

Q2)a)vinegar-acetic acid
     b)milk-lactic acid
     c)Tomato-oxalic acid
     d)apples-malic acid

Q3)Because toothpaste contains fluoride,fluoride fights against the bacteria present in our teeth and helps to prevent the decay in teeth

@vaibhavshukla5845

1.Ammonium hydroxide+ nitric acid gives Ammonium nitrate and water.
NH4OH(aq)+ HNO3(aq) gives NH4NO3 +H2O.
2. Vinegar- Acetic acid, apple- malic acid
Milk- lactic acid, Tomatoes- oxalic acid
3. Bacteria present in our mouth break glucose and acid is formed, so; we use toothpaste which contains base that neutralize the acid.

@anukprabath9178

1.HNO3(acid) + NH3(Base) = NH4NO(Salt)
2.a.Vinegar - acetic acid
   b. Milk - lactic acid or lactate
   c. Tomato - oxalic acid
.  d. Apple - malic acid
3. The toothpaste (base) with fluroide helps to decay of teeths by preventing cavities, slow down the breakdown of enamel and  speed up the remineralization process