Chemical name for baking soda is sodium hydrogencarbonate and its formula is NaHCO₃. Preparation of baking soda: NaC1 + H₂O + CO₂ + NH₃ ⟶ NH₄C1 + NaHCO₃
Chemical name for baking soda is sodium hydrogencarbonate and its formula is NaHCO₃.
Preparation of baking soda:
NaC1 + H₂O + CO₂ + NH₃ ⟶ NH₄C1 + NaHCO₃
Two uses of biogas are: (i) Biogas is an excellent fuel and can be used conveniently in industries and at homes. (ii) Biogas is used to produce electricity.
Two uses of biogas are: (i) Biogas is an excellent fuel and can be used conveniently in industries and at homes. (ii) Biogas is used to produce electricity.
When we say that the potential difference between the two points is 1 V, we mean that 1 J of work is to be done for moving 1 C of electric charge from one point to another.
When we say that the potential difference between the two points is 1 V, we mean that 1 J of work is to be done for moving 1 C of electric charge from one point to another.
Name the following: (i) A gland present in females but not in males. (ii) A gland that secretes hormone as well as digestive juice or enzyme. (iii) A gland associated with brain. (iv) A gland that is associated with kidneys.
(i) Ovary (ii) Pancreas (iii) Pituitary (iv) Adrenal Gland.
(i) Ovary (ii) Pancreas (iii) Pituitary (iv) Adrenal Gland.
See lessWrite the chemical name and formula of baking soda. Write the balanced equation for the preparation of baking soda from sodium chloride.
Chemical name for baking soda is sodium hydrogencarbonate and its formula is NaHCO₃. Preparation of baking soda: NaC1 + H₂O + CO₂ + NH₃ ⟶ NH₄C1 + NaHCO₃
Chemical name for baking soda is sodium hydrogencarbonate and its formula is NaHCO₃.
See lessPreparation of baking soda:
NaC1 + H₂O + CO₂ + NH₃ ⟶ NH₄C1 + NaHCO₃
Write balanced chemical equations for the reactions of: (i) Aluminum with steam (ii) Calcium with water.
(i) 2A1 + 3H₂O (steam) ⟶ A1₂O₃ + 3H₂ (ii) Ca + 2H₂O ⟶ Ca(OH)₂ + H₂
(i) 2A1 + 3H₂O (steam) ⟶ A1₂O₃ + 3H₂
See less(ii) Ca + 2H₂O ⟶ Ca(OH)₂ + H₂
Write any two uses of biogas.
Two uses of biogas are: (i) Biogas is an excellent fuel and can be used conveniently in industries and at homes. (ii) Biogas is used to produce electricity.
Two uses of biogas are: (i) Biogas is an excellent fuel and can be used conveniently in industries and at homes. (ii) Biogas is used to produce electricity.
See lessWhat is meant by saying that the potential difference between the two points is ‘1 V’.
When we say that the potential difference between the two points is 1 V, we mean that 1 J of work is to be done for moving 1 C of electric charge from one point to another.
When we say that the potential difference between the two points is 1 V, we mean that 1 J of work is to be done for moving 1 C of electric charge from one point to another.
See less