____________ is known as washing soda.
Rock salt
Sodium carbonate
Sodium bicarbonate
Sodium hydroxide
The solutions which do not change the colour of either red or blue litmus are known as ________.
Basic
Acidic
Neutral
none of these
The turmeric stain on a white shirt is turned to ----------when it is washed with soap.
Blue
Red
Green
Remains the same colour
Orgin of Oxalic acid?
Curd
Spinach
Amla
Citrus
________________ acid is present in ant sting.
Methanoic
Citric
Lactic
Formic
The reaction between a metal oxide and an acid gives ____________ and _____________.
Alkali, water
Salt, water
Salt, hydrogen
Alkali, hydrogen
______________ acid is present in tomato.
Oxalic
______________ acid is present in sour milk. (curd)
Acetic
What is chemical name of Vinegar?
Acetic acid
Ascorbic acid
Citric acid
Acetlyne