7.0 KADAR TINDAK BALAS

What is the meaning of the rate of reaction?

Apakah maksud kadar tindak balas?

• Increase in quantity of reactant

  Peningkatan kuantiti bahan tindak balas

• Decrease in quantity of reactant

  Pengurangan kuantiti bahan tindak balas

• Increase in quantity of product against time

  Peningkatan kuantiti hasil tindak balas melawan masa

• Decrease in quantity of product against time

  Pengurangan kuantiti hasil tindak balas melawan masa

Which unit is correct for the rate of reaction?

Unit yang manakah betul untuk kadar tindak balas?

• mol dm^-3

• g mol^-1

• g min^-1

• KJ mol^-1

Which of the following reactions are fast reaction?

TIndak balas yang manakah adalah tindak balas cepat?

• Double decomposition

  Penguraian ganda dua

• Fermentation

  Penapaian

• Explosion

  Letupan

• Respiration

  Respirasi

Rate of reaction is the _______ in quantity of reactants or product in a unit time.

Kadar tindak balas ialah _______ kuantiti bahan atau hasil tindak balas dalam satu unit masa.

Rate of reaction is _______ proportional 1/time.

Kadar tindak balas berkadar _______ dengan 1/masa.

Which unit is correct for the quantity of reactants or products?

Unit yang manakah betul untuk kuantiti bahan atau hasil tindak balas?

• g min^-1

• mol dm^-3

• kg

• dm³

Which of the following reactions are slow reaction?

TIndak balas yang manakah adalah tindak balas perlahan?

• Displacement

  Penyesaran

• Rusting

  Pengaratan

• Combustion

  Pembakaran

• Photosynthesis

  Fotosintesis

Which of the following classification is not true?

Antara yang berikut, yang manakah merupakan pengelasan yang tidak benar?

• Fireworks - fast reaction

  Bunga api - tindak balas cepat

• Fermentation - slow reaction

  Penapaian - tindak balas perlahan

• Photosynthesis - slow reaction

  Fotosintesis - tindak balas perlahan

• Food decaying process - fast reaction

  Penguraian makanan - tindak balas cepat

Which of the following is not the observable and measurable changes during reaction?

Antara yang berikut, yang manakah perubahan yang tidak boleh diperhatikan dan diukur semasa tindak balas?

• Decrease in the mass of reactant

  Pengurangan jisim bahan tindak balas

• Penambahan hasil tindak balas

  Increase in quantity of product

• Decrease in the mass of product

  Pengurangan jisim hasil tindak balas

• Formation of Precipitate

  Pembentukan mendakan

When a reaction occur, the quantity of reactants will be _______, while the quantity of product will be _______.

Sewaktu tindak balas berlaku, kuantiti bahan tidak balas akan _______, manakala kuantiti hasil tindak balas akan _______.

• increase, increase

  bertambah, bertambah

• increase, decrease

  bertambah, berkurang

• decrease, increase

  berkurang, bertambah

• decrease, decrease

  berkurang, berkurang